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    In [2]: print 'hello, world!'                              Download notebook
            plt.plot(randn(1000).cumsum())

                  hello, world!
    Out[2]:       [<matplotlib.lines.Line2D at 0x10a566c50>]




    In [ ]: import numpy as np

                 import pandas as pd
                 import simplejson as json

                 db_path = 'foods-2011-10-03.json'


    In [3]: a = [1, 2, 3, 4, 5]


    In [6]: import numpy as np


    In [7]: arr = np.array(a)
            arr

    Out[7]:       array([1, 2, 3, 4, 5])


   In [16]: sum(a)

   Out[16]:       15


   In [18]: a

   Out[18]:       [1, 2, 3, 4, 5]


   In [25]: (np.array(a) * 5).mean()

   Out[25]:       15.0


   In [26]: labels = ['a', 'b', 'c', 'd', 'e']
            print labels
            print a

                  ['a', 'b', 'c', 'd', 'e']
                  [1, 2, 3, 4, 5]


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   In [27]: import pandas as pd


   In [29]: s = pd.Series(a, labels)
            s

   Out[29]:       a      1
                  b      2
                  c      3
                  d      4
                  e      5


   In [36]: arr[arr > 3]

   Out[36]:       array([4, 5])


   In [53]: dct = {'a' : 1, 'b' : 4, 'c': 7}
            s = pd.Series(dct, index=['c', 'a', 'b', 'd'])
            s[-s.isnull()]

   Out[53]:       c      7
                  a      1
                  b      4


   In [57]: s.index

   Out[57]:       Index([c, a, b, d], dtype=object)


   In [59]: pd.set_printoptions(notebook_repr_html=False)


   In [62]: data = {'one': [1, 2, 3, 4], 'two': ['foo', 'bar', 'baz', 'qux']}
            df = pd.DataFrame(data, index=['a', 'b', 'c', 'd'])


   In [65]: df['three'] = df['one'] * 4


   In [68]: df.values[2]

   Out[68]:       array([3, baz, 12], dtype=object)


   In [75]: df

   Out[75]:           one     two      three
                  a     1     foo          4
                  b     2     bar          8
                  c     3     baz         12
                  d     4     qux         16


   In [79]: s1 = df['one']
            s2 = df['one'][:3]
            s2

   Out[79]:       a    1
                  b    2
                  c    3
                  Name: one


   In [81]: pd.DataFrame({1: s1, 2: s2}, index=['b', 'a', 'd'])


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   Out[81]:            1   2
                  b    2   2
                  a    1   1
                  d    4 NaN


   In [90]: (s1 + s2).fillna(method='ffill')

   Out[90]:       a    2
                  b    4
                  c    6
                  d    6
                  Name: one


   In [91]: import numpy as np
            import pandas as pd
            import simplejson as json
            db_path = 'foods-2011-10-03.json'

                 db = json.load(open(db_path))


   In [96]: nts = pd.DataFrame(db[0]['nutrients'])


  In [110]: nts

  Out[110]:                                     description         group     units      value
                  0                                 Protein   Composition         g     25.180
                  1                       Total lipid (fat)   Composition         g     29.200
                  2             Carbohydrate, by difference   Composition         g      3.060
                  3                                     Ash         Other         g      3.280
                  4                                  Energy        Energy      kcal    376.000
                  5                                   Water   Composition         g     39.280
                  6                                  Energy        Energy        kJ   1573.000
                  7                    Fiber, total dietary   Composition         g      0.000
                  8                             Calcium, Ca      Elements        mg    673.000
                  9                                Iron, Fe      Elements        mg      0.640
                  10                          Magnesium, Mg      Elements        mg     22.000
                  11                          Phosphorus, P      Elements        mg    490.000
                  12                           Potassium, K      Elements        mg     93.000
                  13                             Sodium, Na      Elements        mg    690.000
                  14                               Zinc, Zn      Elements        mg      2.940
                  15                             Copper, Cu      Elements        mg      0.024
                  16                          Manganese, Mn      Elements        mg      0.021
                  17                           Selenium, Se      Elements       mcg     14.500
                  18                          Vitamin A, IU      Vitamins        IU   1054.000
                  19                                Retinol      Vitamins       mcg    262.000
                  20                         Vitamin A, RAE      Vitamins   mcg_RAE    271.000
                  21         Vitamin C, total ascorbic acid      Vitamins        mg      0.000
                  22                                Thiamin      Vitamins        mg      0.031
                  23                             Riboflavin      Vitamins        mg      0.450
                  24                                 Niacin      Vitamins        mg      0.180
                  25                       Pantothenic acid      Vitamins        mg      0.190
                  26                            Vitamin B-6      Vitamins        mg      0.074
                  27                          Folate, total      Vitamins       mcg     18.000
                  28                           Vitamin B-12      Vitamins       mcg      0.270
                  29                             Folic acid      Vitamins       mcg      0.000
                  30                           Folate, food      Vitamins       mcg     18.000
                  31                            Folate, DFE      Vitamins   mcg_DFE     18.000
                  32                            Cholesterol         Other        mg     93.000
                  33           Fatty acids, total saturated         Other         g     18.584
                  34     Fatty acids, total monounsaturated         Other         g      8.275


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                  35     Fatty acids, total polyunsaturated         Other         g      0.830
                  36                             Tryptophan   Amino Acids         g      0.324
                  37                              Threonine   Amino Acids         g      0.896
                  38                             Isoleucine   Amino Acids         g      1.563
                  39                                Leucine   Amino Acids         g      2.412
                  40                                 Lysine   Amino Acids         g      2.095
                  41                             Methionine   Amino Acids         g      0.659
                  42                                Cystine   Amino Acids         g      0.126
                  43                          Phenylalanine   Amino Acids         g      1.326
                  44                               Tyrosine   Amino Acids         g      1.216
                  45                                 Valine   Amino Acids         g      1.682
                  46                               Arginine   Amino Acids         g      0.952
                  47                              Histidine   Amino Acids         g      0.884
                  48                                Alanine   Amino Acids         g      0.711
                  49                          Aspartic acid   Amino Acids         g      1.618
                  50                          Glutamic acid   Amino Acids         g      6.160
                  51                                Glycine   Amino Acids         g      0.439
                  52                                Proline   Amino Acids         g      2.838
                  53                                 Serine   Amino Acids         g      1.472
                  54                                Protein   Composition         g     25.180
                  55                      Total lipid (fat)   Composition         g     29.200
                  56            Carbohydrate, by difference   Composition         g      3.060
                  57                                    Ash         Other         g      3.280
                  58                                 Energy        Energy      kcal    376.000
                  59                                  Water   Composition         g     39.280
                  60                                 Energy        Energy        kJ   1573.000
                  61                   Fiber, total dietary   Composition         g      0.000
                  62                            Calcium, Ca      Elements        mg    673.000
                  63                               Iron, Fe      Elements        mg      0.640
                  64                          Magnesium, Mg      Elements        mg     22.000
                  65                          Phosphorus, P      Elements        mg    490.000
                  66                           Potassium, K      Elements        mg     93.000
                  67                             Sodium, Na      Elements        mg    690.000
                  68                               Zinc, Zn      Elements        mg      2.940
                  69                             Copper, Cu      Elements        mg      0.024
                  70                          Manganese, Mn      Elements        mg      0.021
                  71                           Selenium, Se      Elements       mcg     14.500
                  72                          Vitamin A, IU      Vitamins        IU   1054.000
                  73                                Retinol      Vitamins       mcg    262.000
                  74                         Vitamin A, RAE      Vitamins   mcg_RAE    271.000
                  75         Vitamin C, total ascorbic acid      Vitamins        mg      0.000
                  76                                Thiamin      Vitamins        mg      0.031
                  77                             Riboflavin      Vitamins        mg      0.450
                  78                                 Niacin      Vitamins        mg      0.180
                  79                       Pantothenic acid      Vitamins        mg      0.190
                  80                            Vitamin B-6      Vitamins        mg      0.074
                  81                          Folate, total      Vitamins       mcg     18.000
                  82                           Vitamin B-12      Vitamins       mcg      0.270
                  83                             Folic acid      Vitamins       mcg      0.000
                  84                           Folate, food      Vitamins       mcg     18.000
                  85                            Folate, DFE      Vitamins   mcg_DFE     18.000
                  86                             Tryptophan   Amino Acids         g      0.324
                  87                              Threonine   Amino Acids         g      0.896
                  88                             Isoleucine   Amino Acids         g      1.563
                  89                                Leucine   Amino Acids         g      2.412
                  90                                 Lysine   Amino Acids         g      2.095
                  91                             Methionine   Amino Acids         g      0.659
                  92                                Cystine   Amino Acids         g      0.126
                  93                          Phenylalanine   Amino Acids         g      1.326
                  94                               Tyrosine   Amino Acids         g      1.216
                  95                                 Valine   Amino Acids         g      1.682
                  96                               Arginine   Amino Acids         g      0.952
                  97                              Histidine   Amino Acids         g      0.884

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                  98                                Alanine   Amino Acids         g      0.711
                  99                          Aspartic acid   Amino Acids         g      1.618
                  100                         Glutamic acid   Amino Acids         g      6.160
                  101                               Glycine   Amino Acids         g      0.439
                  102                               Proline   Amino Acids         g      2.838
                  103                                Serine   Amino Acids         g      1.472
                  104                           Cholesterol         Other        mg     93.000
                  105          Fatty acids, total saturated         Other         g     18.584
                  106    Fatty acids, total monounsaturated         Other         g      8.275
                  107    Fatty acids, total polyunsaturated         Other         g      0.830
                  108                               Protein   Composition         g     25.180
                  109                     Total lipid (fat)   Composition         g     29.200
                  110           Carbohydrate, by difference   Composition         g      3.060
                  111                                   Ash         Other         g      3.280
                  112                                Energy        Energy      kcal    376.000
                  113                                 Water   Composition         g     39.280
                  114                                Energy        Energy        kJ   1573.000
                  115                  Fiber, total dietary   Composition         g      0.000
                  116                           Calcium, Ca      Elements        mg    673.000
                  117                              Iron, Fe      Elements        mg      0.640
                  118                         Magnesium, Mg      Elements        mg     22.000
                  119                         Phosphorus, P      Elements        mg    490.000
                  120                          Potassium, K      Elements        mg     93.000
                  121                            Sodium, Na      Elements        mg    690.000
                  122                              Zinc, Zn      Elements        mg      2.940
                  123                            Copper, Cu      Elements        mg      0.024
                  124                         Manganese, Mn      Elements        mg      0.021
                  125                          Selenium, Se      Elements       mcg     14.500
                  126                         Vitamin A, IU      Vitamins        IU   1054.000
                  127                               Retinol      Vitamins       mcg    262.000
                  128                        Vitamin A, RAE      Vitamins   mcg_RAE    271.000
                  129        Vitamin C, total ascorbic acid      Vitamins        mg      0.000
                  130                               Thiamin      Vitamins        mg      0.031
                  131                            Riboflavin      Vitamins        mg      0.450
                  132                                Niacin      Vitamins        mg      0.180
                  133                      Pantothenic acid      Vitamins        mg      0.190
                  134                           Vitamin B-6      Vitamins        mg      0.074
                  135                         Folate, total      Vitamins       mcg     18.000
                  136                          Vitamin B-12      Vitamins       mcg      0.270
                  137                            Folic acid      Vitamins       mcg      0.000
                  138                          Folate, food      Vitamins       mcg     18.000
                  139                           Folate, DFE      Vitamins   mcg_DFE     18.000
                  140                            Tryptophan   Amino Acids         g      0.324
                  141                             Threonine   Amino Acids         g      0.896
                  142                            Isoleucine   Amino Acids         g      1.563
                  143                               Leucine   Amino Acids         g      2.412
                  144                                Lysine   Amino Acids         g      2.095
                  145                            Methionine   Amino Acids         g      0.659
                  146                               Cystine   Amino Acids         g      0.126
                  147                         Phenylalanine   Amino Acids         g      1.326
                  148                              Tyrosine   Amino Acids         g      1.216
                  149                                Valine   Amino Acids         g      1.682
                  150                              Arginine   Amino Acids         g      0.952
                  151                             Histidine   Amino Acids         g      0.884
                  152                               Alanine   Amino Acids         g      0.711
                  153                         Aspartic acid   Amino Acids         g      1.618
                  154                         Glutamic acid   Amino Acids         g      6.160
                  155                               Glycine   Amino Acids         g      0.439
                  156                               Proline   Amino Acids         g      2.838
                  157                                Serine   Amino Acids         g      1.472
                  158                           Cholesterol         Other        mg     93.000
                  159          Fatty acids, total saturated         Other         g     18.584
                  160    Fatty acids, total monounsaturated         Other         g      8.275

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                  161    Fatty acids, total polyunsaturated           Other          g           0.830


  In [114]: # pd.set_printoptions(max_rows=10000)


  In [118]: len(nts)

  Out[118]: 162


  In [116]: id_fields = ['id', 'description', 'group']
            info = pd.DataFrame(db, columns=id_fields)
            info[:50]

  Out[116]:               id                                           description                                group
                  0     1008                                       Cheese, caraway       Dairy    and    Egg   Products
                  1     1009                                       Cheese, cheddar       Dairy    and    Egg   Products
                  2     1018                                          Cheese, edam       Dairy    and    Egg   Products
                  3     1019                                          Cheese, feta       Dairy    and    Egg   Products
                  4     1028                    Cheese, mozzarella, part skim milk       Dairy    and    Egg   Products
                  5     1029      Cheese, mozzarella, part skim milk, low moisture       Dairy    and    Egg   Products
                  6     1038                                        Cheese, romano       Dairy    and    Egg   Products
                  7     1039                                     Cheese, roquefort       Dairy    and    Egg   Products
                  8     1048     Cheese spread, pasteurized process, american, ...       Dairy    and    Egg   Products
                  9     1049                           Cream, fluid, half and half       Dairy    and    Egg   Products
                  10    1058     Sour dressing, non-butterfat, cultured, filled...       Dairy    and    Egg   Products
                  11    1059     Milk, filled, fluid, with blend of hydrogenate...       Dairy    and    Egg   Products
                  12    1068     Cream substitute, liquid, with lauric acid oil...       Dairy    and    Egg   Products
                  13    1069                            Cream substitute, powdered       Dairy    and    Egg   Products
                  14    1078                   Milk, producer, fluid, 3.7% milkfat       Dairy    and    Egg   Products
                  15    1079     Milk, reduced fat, fluid, 2% milkfat, with add...       Dairy    and    Egg   Products
                  16    1080     Milk, reduced fat, fluid, 2% milkfat, with add...       Dairy    and    Egg   Products
                  17    1081     Milk, reduced fat, fluid, 2% milkfat, protein ...       Dairy    and    Egg   Products
                  18    1082     Milk, lowfat, fluid, 1% milkfat, with added vi...       Dairy    and    Egg   Products
                  19    1083     Milk, lowfat, fluid, 1% milkfat, with added no...       Dairy    and    Egg   Products
                  20    1084     Milk, lowfat, fluid, 1% milkfat, protein forti...       Dairy    and    Egg   Products
                  21    1085     Milk, nonfat, fluid, with added vitamin A and ...       Dairy    and    Egg   Products
                  22    1086     Milk, nonfat, fluid, with added nonfat milk so...       Dairy    and    Egg   Products
                  23    1087     Milk, nonfat, fluid, protein fortified, with a...       Dairy    and    Egg   Products
                  24    1088             Milk, buttermilk, fluid, cultured, lowfat       Dairy    and    Egg   Products
                  25    1089                               Milk, low sodium, fluid       Dairy    and    Egg   Products
                  26    1090                Milk, dry, whole, with added vitamin D       Dairy    and    Egg   Products
                  27    1091     Milk, dry, nonfat, regular, without added vita...       Dairy    and    Egg   Products
                  28    1092     Milk, dry, nonfat, instant, with added vitamin...       Dairy    and    Egg   Products
                  29    1093                    Milk, dry, nonfat, calcium reduced       Dairy    and    Egg   Products
                  30    1094                               Milk, buttermilk, dried       Dairy    and    Egg   Products
                  31    1095                    Milk, canned, condensed, sweetened       Dairy    and    Egg   Products
                  32    1096     Milk, canned, evaporated, with added vitamin D...       Dairy    and    Egg   Products
                  33    1097     Milk, canned, evaporated, nonfat, with added v...       Dairy    and    Egg   Products
                  34    1108                           Milk, indian buffalo, fluid       Dairy    and    Egg   Products
                  35    1109                                    Milk, sheep, fluid       Dairy    and    Egg   Products
                  36    1118     Yogurt, plain, skim milk, 13 grams protein per...       Dairy    and    Egg   Products
                  37    1119     Yogurt, vanilla, low fat, 11 grams protein per...       Dairy    and    Egg   Products
                  38    1128                             Egg, whole, cooked, fried       Dairy    and    Egg   Products
                  39    1129                       Egg, whole, cooked, hard-boiled       Dairy    and    Egg   Products
                  40    1138                          Egg, duck, whole, fresh, raw       Dairy    and    Egg   Products
                  41    1139                         Egg, goose, whole, fresh, raw       Dairy    and    Egg   Products
                  42    1148     Cheese, pasteurized process, swiss, without di...       Dairy    and    Egg   Products
                  43    1149     Cheese food, pasteurized process, american, wi...       Dairy    and    Egg   Products
                  44    1159                               Cheese, goat, soft type       Dairy    and    Egg   Products
                  45    1168                     Cheese, low fat, cheddar or colby       Dairy    and    Egg   Products
                  46    1169                  Cheese, low-sodium, cheddar or colby       Dairy    and    Egg   Products
                  47    1178                               Sour cream, reduced fat       Dairy    and    Egg   Products


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                  48    1179                          Sour cream, light   Dairy and Egg Products
                  49    1180                       Sour cream, fat free   Dairy and Egg Products


  In [109]: len(db)

  Out[109]: 6636


  In [108]: db[0]

  Out[108]: {'description': 'Cheese, caraway',
             'group': 'Dairy and Egg Products',
             'id': 1008,
             'manufacturer': '',
             'nutrients': [{'description': 'Protein',
               'group': 'Composition',
               'units': 'g',
               'value': 25.18},
              {'description': 'Total lipid (fat)',
               'group': 'Composition',
               'units': 'g',
               'value': 29.2},
              {'description': 'Carbohydrate, by difference',
               'group': 'Composition',
               'units': 'g',
               'value': 3.06},
              {'description': 'Ash', 'group': 'Other', 'units': 'g', 'value': 3.28},
              {'description': 'Energy',
               'group': 'Energy',
               'units': 'kcal',
               'value': 376.0},
              {'description': 'Water',
               'group': 'Composition',
               'units': 'g',
               'value': 39.28},
              {'description': 'Energy', 'group': 'Energy', 'units': 'kJ', 'value': 1573.0},
              {'description': 'Fiber, total dietary',
               'group': 'Composition',
               'units': 'g',
               'value': 0.0},
              {'description': 'Calcium, Ca',
               'group': 'Elements',
               'units': 'mg',
               'value': 673.0},
              {'description': 'Iron, Fe',
               'group': 'Elements',
               'units': 'mg',
               'value': 0.64},
              {'description': 'Magnesium, Mg',
               'group': 'Elements',
               'units': 'mg',
               'value': 22.0},
              {'description': 'Phosphorus, P',
               'group': 'Elements',
               'units': 'mg',
               'value': 490.0},
              {'description': 'Potassium, K',
               'group': 'Elements',
               'units': 'mg',
               'value': 93.0},
              {'description': 'Sodium, Na',
               'group': 'Elements',
               'units': 'mg',

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                      'value': 690.0},
                     {'description': 'Zinc, Zn',
                      'group': 'Elements',
                      'units': 'mg',
                      'value': 2.94},
                     {'description': 'Copper, Cu',
                      'group': 'Elements',
                      'units': 'mg',
                      'value': 0.024},
                     {'description': 'Manganese, Mn',
                      'group': 'Elements',
                      'units': 'mg',
                      'value': 0.021},
                     {'description': 'Selenium, Se',
                      'group': 'Elements',
                      'units': 'mcg',
                      'value': 14.5},
                     {'description': 'Vitamin A, IU',
                      'group': 'Vitamins',
                      'units': 'IU',
                      'value': 1054.0},
                     {'description': 'Retinol',
                      'group': 'Vitamins',
                      'units': 'mcg',
                      'value': 262.0},
                     {'description': 'Vitamin A, RAE',
                      'group': 'Vitamins',
                      'units': 'mcg_RAE',
                      'value': 271.0},
                     {'description': 'Vitamin C, total ascorbic acid',
                      'group': 'Vitamins',
                      'units': 'mg',
                      'value': 0.0},
                     {'description': 'Thiamin',
                      'group': 'Vitamins',
                      'units': 'mg',
                      'value': 0.031},
                     {'description': 'Riboflavin',
                      'group': 'Vitamins',
                      'units': 'mg',
                      'value': 0.45},
                     {'description': 'Niacin', 'group': 'Vitamins', 'units': 'mg', 'value': 0.18},
                     {'description': 'Pantothenic acid',
                      'group': 'Vitamins',
                      'units': 'mg',
                      'value': 0.19},
                     {'description': 'Vitamin B-6',
                      'group': 'Vitamins',
                      'units': 'mg',
                      'value': 0.074},
                     {'description': 'Folate, total',
                      'group': 'Vitamins',
                      'units': 'mcg',
                      'value': 18.0},
                     {'description': 'Vitamin B-12',
                      'group': 'Vitamins',
                      'units': 'mcg',
                      'value': 0.27},
                     {'description': 'Folic acid',
                      'group': 'Vitamins',
                      'units': 'mcg',
                      'value': 0.0},
                     {'description': 'Folate, food',

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                      'group': 'Vitamins',
                      'units': 'mcg',
                      'value': 18.0},
                     {'description': 'Folate, DFE',
                      'group': 'Vitamins',
                      'units': 'mcg_DFE',
                      'value': 18.0},
                     {'description': 'Cholesterol',
                      'group': 'Other',
                      'units': 'mg',
                      'value': 93.0},
                     {'description': 'Fatty acids, total saturated',
                      'group': 'Other',
                      'units': 'g',
                      'value': 18.584},
                     {'description': 'Fatty acids, total monounsaturated',
                      'group': 'Other',
                      'units': 'g',
                      'value': 8.275},
                     {'description': 'Fatty acids, total polyunsaturated',
                      'group': 'Other',
                      'units': 'g',
                      'value': 0.83},
                     {'description': 'Tryptophan',
                      'group': 'Amino Acids',
                      'units': 'g',
                      'value': 0.324},
                     {'description': 'Threonine',
                      'group': 'Amino Acids',
                      'units': 'g',
                      'value': 0.896},
                     {'description': 'Isoleucine',
                      'group': 'Amino Acids',
                      'units': 'g',
                      'value': 1.563},
                     {'description': 'Leucine',
                      'group': 'Amino Acids',
                      'units': 'g',
                      'value': 2.412},
                     {'description': 'Lysine',
                      'group': 'Amino Acids',
                      'units': 'g',
                      'value': 2.095},
                     {'description': 'Methionine',
                      'group': 'Amino Acids',
                      'units': 'g',
                      'value': 0.659},
                     {'description': 'Cystine',
                      'group': 'Amino Acids',
                      'units': 'g',
                      'value': 0.126},
                     {'description': 'Phenylalanine',
                      'group': 'Amino Acids',
                      'units': 'g',
                      'value': 1.326},
                     {'description': 'Tyrosine',
                      'group': 'Amino Acids',
                      'units': 'g',
                      'value': 1.216},
                     {'description': 'Valine',
                      'group': 'Amino Acids',
                      'units': 'g',
                      'value': 1.682},

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                     {'description': 'Arginine',
                      'group': 'Amino Acids',
                      'units': 'g',
                      'value': 0.952},
                     {'description': 'Histidine',
                      'group': 'Amino Acids',
                      'units': 'g',
                      'value': 0.884},
                     {'description': 'Alanine',
                      'group': 'Amino Acids',
                      'units': 'g',
                      'value': 0.711},
                     {'description': 'Aspartic acid',
                      'group': 'Amino Acids',
                      'units': 'g',
                      'value': 1.618},
                     {'description': 'Glutamic acid',
                      'group': 'Amino Acids',
                      'units': 'g',
                      'value': 6.16},
                     {'description': 'Glycine',
                      'group': 'Amino Acids',
                      'units': 'g',
                      'value': 0.439},
                     {'description': 'Proline',
                      'group': 'Amino Acids',
                      'units': 'g',
                      'value': 2.838},
                     {'description': 'Serine',
                      'group': 'Amino Acids',
                      'units': 'g',
                      'value': 1.472},
                     {'description': 'Protein',
                      'group': 'Composition',
                      'units': 'g',
                      'value': 25.18},
                     {'description': 'Total lipid (fat)',
                      'group': 'Composition',
                      'units': 'g',
                      'value': 29.2},
                     {'description': 'Carbohydrate, by difference',
                      'group': 'Composition',
                      'units': 'g',
                      'value': 3.06},
                     {'description': 'Ash', 'group': 'Other', 'units': 'g', 'value': 3.28},
                     {'description': 'Energy',
                      'group': 'Energy',
                      'units': 'kcal',
                      'value': 376.0},
                     {'description': 'Water',
                      'group': 'Composition',
                      'units': 'g',
                      'value': 39.28},
                     {'description': 'Energy', 'group': 'Energy', 'units': 'kJ', 'value': 1573.0},
                     {'description': 'Fiber, total dietary',
                      'group': 'Composition',
                      'units': 'g',
                      'value': 0.0},
                     {'description': 'Calcium, Ca',
                      'group': 'Elements',
                      'units': 'mg',
                      'value': 673.0},
                     {'description': 'Iron, Fe',

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                      'group': 'Elements',
                      'units': 'mg',
                      'value': 0.64},
                     {'description': 'Magnesium, Mg',
                      'group': 'Elements',
                      'units': 'mg',
                      'value': 22.0},
                     {'description': 'Phosphorus, P',
                      'group': 'Elements',
                      'units': 'mg',
                      'value': 490.0},
                     {'description': 'Potassium, K',
                      'group': 'Elements',
                      'units': 'mg',
                      'value': 93.0},
                     {'description': 'Sodium, Na',
                      'group': 'Elements',
                      'units': 'mg',
                      'value': 690.0},
                     {'description': 'Zinc, Zn',
                      'group': 'Elements',
                      'units': 'mg',
                      'value': 2.94},
                     {'description': 'Copper, Cu',
                      'group': 'Elements',
                      'units': 'mg',
                      'value': 0.024},
                     {'description': 'Manganese, Mn',
                      'group': 'Elements',
                      'units': 'mg',
                      'value': 0.021},
                     {'description': 'Selenium, Se',
                      'group': 'Elements',
                      'units': 'mcg',
                      'value': 14.5},
                     {'description': 'Vitamin A, IU',
                      'group': 'Vitamins',
                      'units': 'IU',
                      'value': 1054.0},
                     {'description': 'Retinol',
                      'group': 'Vitamins',
                      'units': 'mcg',
                      'value': 262.0},
                     {'description': 'Vitamin A, RAE',
                      'group': 'Vitamins',
                      'units': 'mcg_RAE',
                      'value': 271.0},
                     {'description': 'Vitamin C, total ascorbic acid',
                      'group': 'Vitamins',
                      'units': 'mg',
                      'value': 0.0},
                     {'description': 'Thiamin',
                      'group': 'Vitamins',
                      'units': 'mg',
                      'value': 0.031},
                     {'description': 'Riboflavin',
                      'group': 'Vitamins',
                      'units': 'mg',
                      'value': 0.45},
                     {'description': 'Niacin', 'group': 'Vitamins', 'units': 'mg', 'value': 0.18},
                     {'description': 'Pantothenic acid',
                      'group': 'Vitamins',
                      'units': 'mg',

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                      'value': 0.19},
                     {'description': 'Vitamin B-6',
                      'group': 'Vitamins',
                      'units': 'mg',
                      'value': 0.074},
                     {'description': 'Folate, total',
                      'group': 'Vitamins',
                      'units': 'mcg',
                      'value': 18.0},
                     {'description': 'Vitamin B-12',
                      'group': 'Vitamins',
                      'units': 'mcg',
                      'value': 0.27},
                     {'description': 'Folic acid',
                      'group': 'Vitamins',
                      'units': 'mcg',
                      'value': 0.0},
                     {'description': 'Folate, food',
                      'group': 'Vitamins',
                      'units': 'mcg',
                      'value': 18.0},
                     {'description': 'Folate, DFE',
                      'group': 'Vitamins',
                      'units': 'mcg_DFE',
                      'value': 18.0},
                     {'description': 'Tryptophan',
                      'group': 'Amino Acids',
                      'units': 'g',
                      'value': 0.324},
                     {'description': 'Threonine',
                      'group': 'Amino Acids',
                      'units': 'g',
                      'value': 0.896},
                     {'description': 'Isoleucine',
                      'group': 'Amino Acids',
                      'units': 'g',
                      'value': 1.563},
                     {'description': 'Leucine',
                      'group': 'Amino Acids',
                      'units': 'g',
                      'value': 2.412},
                     {'description': 'Lysine',
                      'group': 'Amino Acids',
                      'units': 'g',
                      'value': 2.095},
                     {'description': 'Methionine',
                      'group': 'Amino Acids',
                      'units': 'g',
                      'value': 0.659},
                     {'description': 'Cystine',
                      'group': 'Amino Acids',
                      'units': 'g',
                      'value': 0.126},
                     {'description': 'Phenylalanine',
                      'group': 'Amino Acids',
                      'units': 'g',
                      'value': 1.326},
                     {'description': 'Tyrosine',
                      'group': 'Amino Acids',
                      'units': 'g',
                      'value': 1.216},
                     {'description': 'Valine',
                      'group': 'Amino Acids',

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                      'units': 'g',
                      'value': 1.682},
                     {'description': 'Arginine',
                      'group': 'Amino Acids',
                      'units': 'g',
                      'value': 0.952},
                     {'description': 'Histidine',
                      'group': 'Amino Acids',
                      'units': 'g',
                      'value': 0.884},
                     {'description': 'Alanine',
                      'group': 'Amino Acids',
                      'units': 'g',
                      'value': 0.711},
                     {'description': 'Aspartic acid',
                      'group': 'Amino Acids',
                      'units': 'g',
                      'value': 1.618},
                     {'description': 'Glutamic acid',
                      'group': 'Amino Acids',
                      'units': 'g',
                      'value': 6.16},
                     {'description': 'Glycine',
                      'group': 'Amino Acids',
                      'units': 'g',
                      'value': 0.439},
                     {'description': 'Proline',
                      'group': 'Amino Acids',
                      'units': 'g',
                      'value': 2.838},
                     {'description': 'Serine',
                      'group': 'Amino Acids',
                      'units': 'g',
                      'value': 1.472},
                     {'description': 'Cholesterol',
                      'group': 'Other',
                      'units': 'mg',
                      'value': 93.0},
                     {'description': 'Fatty acids, total saturated',
                      'group': 'Other',
                      'units': 'g',
                      'value': 18.584},
                     {'description': 'Fatty acids, total monounsaturated',
                      'group': 'Other',
                      'units': 'g',
                      'value': 8.275},
                     {'description': 'Fatty acids, total polyunsaturated',
                      'group': 'Other',
                      'units': 'g',
                      'value': 0.83},
                     {'description': 'Protein',
                      'group': 'Composition',
                      'units': 'g',
                      'value': 25.18},
                     {'description': 'Total lipid (fat)',
                      'group': 'Composition',
                      'units': 'g',
                      'value': 29.2},
                     {'description': 'Carbohydrate, by difference',
                      'group': 'Composition',
                      'units': 'g',
                      'value': 3.06},
                     {'description': 'Ash', 'group': 'Other', 'units': 'g', 'value': 3.28},

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                     {'description': 'Energy',
                      'group': 'Energy',
                      'units': 'kcal',
                      'value': 376.0},
                     {'description': 'Water',
                      'group': 'Composition',
                      'units': 'g',
                      'value': 39.28},
                     {'description': 'Energy', 'group': 'Energy', 'units': 'kJ', 'value': 1573.0},
                     {'description': 'Fiber, total dietary',
                      'group': 'Composition',
                      'units': 'g',
                      'value': 0.0},
                     {'description': 'Calcium, Ca',
                      'group': 'Elements',
                      'units': 'mg',
                      'value': 673.0},
                     {'description': 'Iron, Fe',
                      'group': 'Elements',
                      'units': 'mg',
                      'value': 0.64},
                     {'description': 'Magnesium, Mg',
                      'group': 'Elements',
                      'units': 'mg',
                      'value': 22.0},
                     {'description': 'Phosphorus, P',
                      'group': 'Elements',
                      'units': 'mg',
                      'value': 490.0},
                     {'description': 'Potassium, K',
                      'group': 'Elements',
                      'units': 'mg',
                      'value': 93.0},
                     {'description': 'Sodium, Na',
                      'group': 'Elements',
                      'units': 'mg',
                      'value': 690.0},
                     {'description': 'Zinc, Zn',
                      'group': 'Elements',
                      'units': 'mg',
                      'value': 2.94},
                     {'description': 'Copper, Cu',
                      'group': 'Elements',
                      'units': 'mg',
                      'value': 0.024},
                     {'description': 'Manganese, Mn',
                      'group': 'Elements',
                      'units': 'mg',
                      'value': 0.021},
                     {'description': 'Selenium, Se',
                      'group': 'Elements',
                      'units': 'mcg',
                      'value': 14.5},
                     {'description': 'Vitamin A, IU',
                      'group': 'Vitamins',
                      'units': 'IU',
                      'value': 1054.0},
                     {'description': 'Retinol',
                      'group': 'Vitamins',
                      'units': 'mcg',
                      'value': 262.0},
                     {'description': 'Vitamin A, RAE',
                      'group': 'Vitamins',

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                      'units': 'mcg_RAE',
                      'value': 271.0},
                     {'description': 'Vitamin C, total ascorbic acid',
                      'group': 'Vitamins',
                      'units': 'mg',
                      'value': 0.0},
                     {'description': 'Thiamin',
                      'group': 'Vitamins',
                      'units': 'mg',
                      'value': 0.031},
                     {'description': 'Riboflavin',
                      'group': 'Vitamins',
                      'units': 'mg',
                      'value': 0.45},
                     {'description': 'Niacin', 'group': 'Vitamins', 'units': 'mg', 'value': 0.18},
                     {'description': 'Pantothenic acid',
                      'group': 'Vitamins',
                      'units': 'mg',
                      'value': 0.19},
                     {'description': 'Vitamin B-6',
                      'group': 'Vitamins',
                      'units': 'mg',
                      'value': 0.074},
                     {'description': 'Folate, total',
                      'group': 'Vitamins',
                      'units': 'mcg',
                      'value': 18.0},
                     {'description': 'Vitamin B-12',
                      'group': 'Vitamins',
                      'units': 'mcg',
                      'value': 0.27},
                     {'description': 'Folic acid',
                      'group': 'Vitamins',
                      'units': 'mcg',
                      'value': 0.0},
                     {'description': 'Folate, food',
                      'group': 'Vitamins',
                      'units': 'mcg',
                      'value': 18.0},
                     {'description': 'Folate, DFE',
                      'group': 'Vitamins',
                      'units': 'mcg_DFE',
                      'value': 18.0},
                     {'description': 'Tryptophan',
                      'group': 'Amino Acids',
                      'units': 'g',
                      'value': 0.324},
                     {'description': 'Threonine',
                      'group': 'Amino Acids',
                      'units': 'g',
                      'value': 0.896},
                     {'description': 'Isoleucine',
                      'group': 'Amino Acids',
                      'units': 'g',
                      'value': 1.563},
                     {'description': 'Leucine',
                      'group': 'Amino Acids',
                      'units': 'g',
                      'value': 2.412},
                     {'description': 'Lysine',
                      'group': 'Amino Acids',
                      'units': 'g',
                      'value': 2.095},

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                     {'description': 'Methionine',
                      'group': 'Amino Acids',
                      'units': 'g',
                      'value': 0.659},
                     {'description': 'Cystine',
                      'group': 'Amino Acids',
                      'units': 'g',
                      'value': 0.126},
                     {'description': 'Phenylalanine',
                      'group': 'Amino Acids',
                      'units': 'g',
                      'value': 1.326},
                     {'description': 'Tyrosine',
                      'group': 'Amino Acids',
                      'units': 'g',
                      'value': 1.216},
                     {'description': 'Valine',
                      'group': 'Amino Acids',
                      'units': 'g',
                      'value': 1.682},
                     {'description': 'Arginine',
                      'group': 'Amino Acids',
                      'units': 'g',
                      'value': 0.952},
                     {'description': 'Histidine',
                      'group': 'Amino Acids',
                      'units': 'g',
                      'value': 0.884},
                     {'description': 'Alanine',
                      'group': 'Amino Acids',
                      'units': 'g',
                      'value': 0.711},
                     {'description': 'Aspartic acid',
                      'group': 'Amino Acids',
                      'units': 'g',
                      'value': 1.618},
                     {'description': 'Glutamic acid',
                      'group': 'Amino Acids',
                      'units': 'g',
                      'value': 6.16},
                     {'description': 'Glycine',
                      'group': 'Amino Acids',
                      'units': 'g',
                      'value': 0.439},
                     {'description': 'Proline',
                      'group': 'Amino Acids',
                      'units': 'g',
                      'value': 2.838},
                     {'description': 'Serine',
                      'group': 'Amino Acids',
                      'units': 'g',
                      'value': 1.472},
                     {'description': 'Cholesterol',
                      'group': 'Other',
                      'units': 'mg',
                      'value': 93.0},
                     {'description': 'Fatty acids, total saturated',
                      'group': 'Other',
                      'units': 'g',
                      'value': 18.584},
                     {'description': 'Fatty acids, total monounsaturated',
                      'group': 'Other',
                      'units': 'g',

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                     'value': 8.275},
                    {'description': 'Fatty acids, total polyunsaturated',
                     'group': 'Other',
                     'units': 'g',
                     'value': 0.83}],
                   'portions': [{'amount': 1, 'grams': 28.35, 'unit': 'oz'}],
                   'tags': []}


  In [107]: nts

  Out[107]:                                     description         group     units      value
                  0                                 Protein   Composition         g     25.180
                  1                       Total lipid (fat)   Composition         g     29.200
                  2             Carbohydrate, by difference   Composition         g      3.060
                  3                                     Ash         Other         g      3.280
                  4                                  Energy        Energy      kcal    376.000
                  5                                   Water   Composition         g     39.280
                  6                                  Energy        Energy        kJ   1573.000
                  7                    Fiber, total dietary   Composition         g      0.000
                  8                             Calcium, Ca      Elements        mg    673.000
                  9                                Iron, Fe      Elements        mg      0.640
                  10                          Magnesium, Mg      Elements        mg     22.000
                  11                          Phosphorus, P      Elements        mg    490.000
                  12                           Potassium, K      Elements        mg     93.000
                  13                             Sodium, Na      Elements        mg    690.000
                  14                               Zinc, Zn      Elements        mg      2.940
                  15                             Copper, Cu      Elements        mg      0.024
                  16                          Manganese, Mn      Elements        mg      0.021
                  17                           Selenium, Se      Elements       mcg     14.500
                  18                          Vitamin A, IU      Vitamins        IU   1054.000
                  19                                Retinol      Vitamins       mcg    262.000
                  20                         Vitamin A, RAE      Vitamins   mcg_RAE    271.000
                  21         Vitamin C, total ascorbic acid      Vitamins        mg      0.000
                  22                                Thiamin      Vitamins        mg      0.031
                  23                             Riboflavin      Vitamins        mg      0.450
                  24                                 Niacin      Vitamins        mg      0.180
                  25                       Pantothenic acid      Vitamins        mg      0.190
                  26                            Vitamin B-6      Vitamins        mg      0.074
                  27                          Folate, total      Vitamins       mcg     18.000
                  28                           Vitamin B-12      Vitamins       mcg      0.270
                  29                             Folic acid      Vitamins       mcg      0.000
                  30                           Folate, food      Vitamins       mcg     18.000
                  31                            Folate, DFE      Vitamins   mcg_DFE     18.000
                  32                            Cholesterol         Other        mg     93.000
                  33           Fatty acids, total saturated         Other         g     18.584
                  34     Fatty acids, total monounsaturated         Other         g      8.275
                  35     Fatty acids, total polyunsaturated         Other         g      0.830
                  36                             Tryptophan   Amino Acids         g      0.324
                  37                              Threonine   Amino Acids         g      0.896
                  38                             Isoleucine   Amino Acids         g      1.563
                  39                                Leucine   Amino Acids         g      2.412
                  40                                 Lysine   Amino Acids         g      2.095
                  41                             Methionine   Amino Acids         g      0.659
                  42                                Cystine   Amino Acids         g      0.126
                  43                          Phenylalanine   Amino Acids         g      1.326
                  44                               Tyrosine   Amino Acids         g      1.216
                  45                                 Valine   Amino Acids         g      1.682
                  46                               Arginine   Amino Acids         g      0.952
                  47                              Histidine   Amino Acids         g      0.884
                  48                                Alanine   Amino Acids         g      0.711
                  49                          Aspartic acid   Amino Acids         g      1.618
                  50                          Glutamic acid   Amino Acids         g      6.160


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                  51                                Glycine   Amino Acids         g      0.439
                  52                                Proline   Amino Acids         g      2.838
                  53                                 Serine   Amino Acids         g      1.472
                  54                                Protein   Composition         g     25.180
                  55                      Total lipid (fat)   Composition         g     29.200
                  56            Carbohydrate, by difference   Composition         g      3.060
                  57                                    Ash         Other         g      3.280
                  58                                 Energy        Energy      kcal    376.000
                  59                                  Water   Composition         g     39.280
                  60                                 Energy        Energy        kJ   1573.000
                  61                   Fiber, total dietary   Composition         g      0.000
                  62                            Calcium, Ca      Elements        mg    673.000
                  63                               Iron, Fe      Elements        mg      0.640
                  64                          Magnesium, Mg      Elements        mg     22.000
                  65                          Phosphorus, P      Elements        mg    490.000
                  66                           Potassium, K      Elements        mg     93.000
                  67                             Sodium, Na      Elements        mg    690.000
                  68                               Zinc, Zn      Elements        mg      2.940
                  69                             Copper, Cu      Elements        mg      0.024
                  70                          Manganese, Mn      Elements        mg      0.021
                  71                           Selenium, Se      Elements       mcg     14.500
                  72                          Vitamin A, IU      Vitamins        IU   1054.000
                  73                                Retinol      Vitamins       mcg    262.000
                  74                         Vitamin A, RAE      Vitamins   mcg_RAE    271.000
                  75         Vitamin C, total ascorbic acid      Vitamins        mg      0.000
                  76                                Thiamin      Vitamins        mg      0.031
                  77                             Riboflavin      Vitamins        mg      0.450
                  78                                 Niacin      Vitamins        mg      0.180
                  79                       Pantothenic acid      Vitamins        mg      0.190
                  80                            Vitamin B-6      Vitamins        mg      0.074
                  81                          Folate, total      Vitamins       mcg     18.000
                  82                           Vitamin B-12      Vitamins       mcg      0.270
                  83                             Folic acid      Vitamins       mcg      0.000
                  84                           Folate, food      Vitamins       mcg     18.000
                  85                            Folate, DFE      Vitamins   mcg_DFE     18.000
                  86                             Tryptophan   Amino Acids         g      0.324
                  87                              Threonine   Amino Acids         g      0.896
                  88                             Isoleucine   Amino Acids         g      1.563
                  89                                Leucine   Amino Acids         g      2.412
                  90                                 Lysine   Amino Acids         g      2.095
                  91                             Methionine   Amino Acids         g      0.659
                  92                                Cystine   Amino Acids         g      0.126
                  93                          Phenylalanine   Amino Acids         g      1.326
                  94                               Tyrosine   Amino Acids         g      1.216
                  95                                 Valine   Amino Acids         g      1.682
                  96                               Arginine   Amino Acids         g      0.952
                  97                              Histidine   Amino Acids         g      0.884
                  98                                Alanine   Amino Acids         g      0.711
                  99                          Aspartic acid   Amino Acids         g      1.618
                  100                         Glutamic acid   Amino Acids         g      6.160
                  101                               Glycine   Amino Acids         g      0.439
                  102                               Proline   Amino Acids         g      2.838
                  103                                Serine   Amino Acids         g      1.472
                  104                           Cholesterol         Other        mg     93.000
                  105          Fatty acids, total saturated         Other         g     18.584
                  106    Fatty acids, total monounsaturated         Other         g      8.275
                  107    Fatty acids, total polyunsaturated         Other         g      0.830
                  108                               Protein   Composition         g     25.180
                  109                     Total lipid (fat)   Composition         g     29.200
                  110           Carbohydrate, by difference   Composition         g      3.060
                  111                                   Ash         Other         g      3.280
                  112                                Energy        Energy      kcal    376.000
                  113                                 Water   Composition         g     39.280

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                  114                                Energy        Energy        kJ   1573.000
                  115                  Fiber, total dietary   Composition         g      0.000
                  116                           Calcium, Ca      Elements        mg    673.000
                  117                              Iron, Fe      Elements        mg      0.640
                  118                         Magnesium, Mg      Elements        mg     22.000
                  119                         Phosphorus, P      Elements        mg    490.000
                  120                          Potassium, K      Elements        mg     93.000
                  121                            Sodium, Na      Elements        mg    690.000
                  122                              Zinc, Zn      Elements        mg      2.940
                  123                            Copper, Cu      Elements        mg      0.024
                  124                         Manganese, Mn      Elements        mg      0.021
                  125                          Selenium, Se      Elements       mcg     14.500
                  126                         Vitamin A, IU      Vitamins        IU   1054.000
                  127                               Retinol      Vitamins       mcg    262.000
                  128                        Vitamin A, RAE      Vitamins   mcg_RAE    271.000
                  129        Vitamin C, total ascorbic acid      Vitamins        mg      0.000
                  130                               Thiamin      Vitamins        mg      0.031
                  131                            Riboflavin      Vitamins        mg      0.450
                  132                                Niacin      Vitamins        mg      0.180
                  133                      Pantothenic acid      Vitamins        mg      0.190
                  134                           Vitamin B-6      Vitamins        mg      0.074
                  135                         Folate, total      Vitamins       mcg     18.000
                  136                          Vitamin B-12      Vitamins       mcg      0.270
                  137                            Folic acid      Vitamins       mcg      0.000
                  138                          Folate, food      Vitamins       mcg     18.000
                  139                           Folate, DFE      Vitamins   mcg_DFE     18.000
                  140                            Tryptophan   Amino Acids         g      0.324
                  141                             Threonine   Amino Acids         g      0.896
                  142                            Isoleucine   Amino Acids         g      1.563
                  143                               Leucine   Amino Acids         g      2.412
                  144                                Lysine   Amino Acids         g      2.095
                  145                            Methionine   Amino Acids         g      0.659
                  146                               Cystine   Amino Acids         g      0.126
                  147                         Phenylalanine   Amino Acids         g      1.326
                  148                              Tyrosine   Amino Acids         g      1.216
                  149                                Valine   Amino Acids         g      1.682
                  150                              Arginine   Amino Acids         g      0.952
                  151                             Histidine   Amino Acids         g      0.884
                  152                               Alanine   Amino Acids         g      0.711
                  153                         Aspartic acid   Amino Acids         g      1.618
                  154                         Glutamic acid   Amino Acids         g      6.160
                  155                               Glycine   Amino Acids         g      0.439
                  156                               Proline   Amino Acids         g      2.838
                  157                                Serine   Amino Acids         g      1.472
                  158                           Cholesterol         Other        mg     93.000
                  159          Fatty acids, total saturated         Other         g     18.584
                  160    Fatty acids, total monounsaturated         Other         g      8.275
                  161    Fatty acids, total polyunsaturated         Other         g      0.830


  In [123]: info.group.value_counts().plot(kind='bar')

  Out[123]: <matplotlib.axes.AxesSubplot at 0x10bc66e50>




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  In [126]: info.head()

  Out[126]:             id                            description                          group
                  0   1008                        Cheese, caraway   Dairy   and   Egg   Products
                  1   1009                        Cheese, cheddar   Dairy   and   Egg   Products
                  2   1018                           Cheese, edam   Dairy   and   Egg   Products
                  3   1019                           Cheese, feta   Dairy   and   Egg   Products
                  4   1028     Cheese, mozzarella, part skim milk   Dairy   and   Egg   Products


  In [125]: nts.head()

  Out[125]:                           description           group units      value
                  0                       Protein     Composition     g      25.18
                  1             Total lipid (fat)     Composition     g      29.20
                  2   Carbohydrate, by difference     Composition     g       3.06
                  3                           Ash           Other     g       3.28
                  4                        Energy          Energy kcal      376.00


  In [124]: info

  Out[124]: <class 'pandas.core.frame.DataFrame'>
            Int64Index: 6636 entries, 0 to 6635
            Data columns:
            id             6636 non-null values
            description    6636 non-null values
            group          6636 non-null values
            dtypes: int64(1), object(2)


  In [128]: # info.columns = ['id', 'fname', 'fgroup']

                 mapping = {'description': 'fname', 'group' : 'fgroup'}
                 info = info.rename(columns=mapping)
                 info.head()

  Out[128]:             id                                  fname                         fgroup
                  0   1008                        Cheese, caraway   Dairy   and   Egg   Products
                  1   1009                        Cheese, cheddar   Dairy   and   Egg   Products
                  2   1018                           Cheese, edam   Dairy   and   Egg   Products
                  3   1019                           Cheese, feta   Dairy   and   Egg   Products
                  4   1028     Cheese, mozzarella, part skim milk   Dairy   and   Egg   Products


  In [129]: mapping = {'description': 'nname', 'group' : 'ngroup'}
            nts = nts.rename(columns=mapping)

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                 nts

  Out[129]:                                           nname        ngroup     units      value
                  0                                 Protein   Composition         g     25.180
                  1                       Total lipid (fat)   Composition         g     29.200
                  2             Carbohydrate, by difference   Composition         g      3.060
                  3                                     Ash         Other         g      3.280
                  4                                  Energy        Energy      kcal    376.000
                  5                                   Water   Composition         g     39.280
                  6                                  Energy        Energy        kJ   1573.000
                  7                    Fiber, total dietary   Composition         g      0.000
                  8                             Calcium, Ca      Elements        mg    673.000
                  9                                Iron, Fe      Elements        mg      0.640
                  10                          Magnesium, Mg      Elements        mg     22.000
                  11                          Phosphorus, P      Elements        mg    490.000
                  12                           Potassium, K      Elements        mg     93.000
                  13                             Sodium, Na      Elements        mg    690.000
                  14                               Zinc, Zn      Elements        mg      2.940
                  15                             Copper, Cu      Elements        mg      0.024
                  16                          Manganese, Mn      Elements        mg      0.021
                  17                           Selenium, Se      Elements       mcg     14.500
                  18                          Vitamin A, IU      Vitamins        IU   1054.000
                  19                                Retinol      Vitamins       mcg    262.000
                  20                         Vitamin A, RAE      Vitamins   mcg_RAE    271.000
                  21         Vitamin C, total ascorbic acid      Vitamins        mg      0.000
                  22                                Thiamin      Vitamins        mg      0.031
                  23                             Riboflavin      Vitamins        mg      0.450
                  24                                 Niacin      Vitamins        mg      0.180
                  25                       Pantothenic acid      Vitamins        mg      0.190
                  26                            Vitamin B-6      Vitamins        mg      0.074
                  27                          Folate, total      Vitamins       mcg     18.000
                  28                           Vitamin B-12      Vitamins       mcg      0.270
                  29                             Folic acid      Vitamins       mcg      0.000
                  30                           Folate, food      Vitamins       mcg     18.000
                  31                            Folate, DFE      Vitamins   mcg_DFE     18.000
                  32                            Cholesterol         Other        mg     93.000
                  33           Fatty acids, total saturated         Other         g     18.584
                  34     Fatty acids, total monounsaturated         Other         g      8.275
                  35     Fatty acids, total polyunsaturated         Other         g      0.830
                  36                             Tryptophan   Amino Acids         g      0.324
                  37                              Threonine   Amino Acids         g      0.896
                  38                             Isoleucine   Amino Acids         g      1.563
                  39                                Leucine   Amino Acids         g      2.412
                  40                                 Lysine   Amino Acids         g      2.095
                  41                             Methionine   Amino Acids         g      0.659
                  42                                Cystine   Amino Acids         g      0.126
                  43                          Phenylalanine   Amino Acids         g      1.326
                  44                               Tyrosine   Amino Acids         g      1.216
                  45                                 Valine   Amino Acids         g      1.682
                  46                               Arginine   Amino Acids         g      0.952
                  47                              Histidine   Amino Acids         g      0.884
                  48                                Alanine   Amino Acids         g      0.711
                  49                          Aspartic acid   Amino Acids         g      1.618
                  50                          Glutamic acid   Amino Acids         g      6.160
                  51                                Glycine   Amino Acids         g      0.439
                  52                                Proline   Amino Acids         g      2.838
                  53                                 Serine   Amino Acids         g      1.472
                  54                                Protein   Composition         g     25.180
                  55                      Total lipid (fat)   Composition         g     29.200
                  56            Carbohydrate, by difference   Composition         g      3.060
                  57                                    Ash         Other         g      3.280
                  58                                 Energy        Energy      kcal    376.000
                  59                                  Water   Composition         g     39.280

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                  60                                 Energy        Energy        kJ   1573.000
                  61                   Fiber, total dietary   Composition         g      0.000
                  62                            Calcium, Ca      Elements        mg    673.000
                  63                               Iron, Fe      Elements        mg      0.640
                  64                          Magnesium, Mg      Elements        mg     22.000
                  65                          Phosphorus, P      Elements        mg    490.000
                  66                           Potassium, K      Elements        mg     93.000
                  67                             Sodium, Na      Elements        mg    690.000
                  68                               Zinc, Zn      Elements        mg      2.940
                  69                             Copper, Cu      Elements        mg      0.024
                  70                          Manganese, Mn      Elements        mg      0.021
                  71                           Selenium, Se      Elements       mcg     14.500
                  72                          Vitamin A, IU      Vitamins        IU   1054.000
                  73                                Retinol      Vitamins       mcg    262.000
                  74                         Vitamin A, RAE      Vitamins   mcg_RAE    271.000
                  75         Vitamin C, total ascorbic acid      Vitamins        mg      0.000
                  76                                Thiamin      Vitamins        mg      0.031
                  77                             Riboflavin      Vitamins        mg      0.450
                  78                                 Niacin      Vitamins        mg      0.180
                  79                       Pantothenic acid      Vitamins        mg      0.190
                  80                            Vitamin B-6      Vitamins        mg      0.074
                  81                          Folate, total      Vitamins       mcg     18.000
                  82                           Vitamin B-12      Vitamins       mcg      0.270
                  83                             Folic acid      Vitamins       mcg      0.000
                  84                           Folate, food      Vitamins       mcg     18.000
                  85                            Folate, DFE      Vitamins   mcg_DFE     18.000
                  86                             Tryptophan   Amino Acids         g      0.324
                  87                              Threonine   Amino Acids         g      0.896
                  88                             Isoleucine   Amino Acids         g      1.563
                  89                                Leucine   Amino Acids         g      2.412
                  90                                 Lysine   Amino Acids         g      2.095
                  91                             Methionine   Amino Acids         g      0.659
                  92                                Cystine   Amino Acids         g      0.126
                  93                          Phenylalanine   Amino Acids         g      1.326
                  94                               Tyrosine   Amino Acids         g      1.216
                  95                                 Valine   Amino Acids         g      1.682
                  96                               Arginine   Amino Acids         g      0.952
                  97                              Histidine   Amino Acids         g      0.884
                  98                                Alanine   Amino Acids         g      0.711
                  99                          Aspartic acid   Amino Acids         g      1.618
                  100                         Glutamic acid   Amino Acids         g      6.160
                  101                               Glycine   Amino Acids         g      0.439
                  102                               Proline   Amino Acids         g      2.838
                  103                                Serine   Amino Acids         g      1.472
                  104                           Cholesterol         Other        mg     93.000
                  105          Fatty acids, total saturated         Other         g     18.584
                  106    Fatty acids, total monounsaturated         Other         g      8.275
                  107    Fatty acids, total polyunsaturated         Other         g      0.830
                  108                               Protein   Composition         g     25.180
                  109                     Total lipid (fat)   Composition         g     29.200
                  110           Carbohydrate, by difference   Composition         g      3.060
                  111                                   Ash         Other         g      3.280
                  112                                Energy        Energy      kcal    376.000
                  113                                 Water   Composition         g     39.280
                  114                                Energy        Energy        kJ   1573.000
                  115                  Fiber, total dietary   Composition         g      0.000
                  116                           Calcium, Ca      Elements        mg    673.000
                  117                              Iron, Fe      Elements        mg      0.640
                  118                         Magnesium, Mg      Elements        mg     22.000
                  119                         Phosphorus, P      Elements        mg    490.000
                  120                          Potassium, K      Elements        mg     93.000
                  121                            Sodium, Na      Elements        mg    690.000
                  122                              Zinc, Zn      Elements        mg      2.940

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                  123                            Copper, Cu      Elements        mg      0.024
                  124                         Manganese, Mn      Elements        mg      0.021
                  125                          Selenium, Se      Elements       mcg     14.500
                  126                         Vitamin A, IU      Vitamins        IU   1054.000
                  127                               Retinol      Vitamins       mcg    262.000
                  128                        Vitamin A, RAE      Vitamins   mcg_RAE    271.000
                  129        Vitamin C, total ascorbic acid      Vitamins        mg      0.000
                  130                               Thiamin      Vitamins        mg      0.031
                  131                            Riboflavin      Vitamins        mg      0.450
                  132                                Niacin      Vitamins        mg      0.180
                  133                      Pantothenic acid      Vitamins        mg      0.190
                  134                           Vitamin B-6      Vitamins        mg      0.074
                  135                         Folate, total      Vitamins       mcg     18.000
                  136                          Vitamin B-12      Vitamins       mcg      0.270
                  137                            Folic acid      Vitamins       mcg      0.000
                  138                          Folate, food      Vitamins       mcg     18.000
                  139                           Folate, DFE      Vitamins   mcg_DFE     18.000
                  140                            Tryptophan   Amino Acids         g      0.324
                  141                             Threonine   Amino Acids         g      0.896
                  142                            Isoleucine   Amino Acids         g      1.563
                  143                               Leucine   Amino Acids         g      2.412
                  144                                Lysine   Amino Acids         g      2.095
                  145                            Methionine   Amino Acids         g      0.659
                  146                               Cystine   Amino Acids         g      0.126
                  147                         Phenylalanine   Amino Acids         g      1.326
                  148                              Tyrosine   Amino Acids         g      1.216
                  149                                Valine   Amino Acids         g      1.682
                  150                              Arginine   Amino Acids         g      0.952
                  151                             Histidine   Amino Acids         g      0.884
                  152                               Alanine   Amino Acids         g      0.711
                  153                         Aspartic acid   Amino Acids         g      1.618
                  154                         Glutamic acid   Amino Acids         g      6.160
                  155                               Glycine   Amino Acids         g      0.439
                  156                               Proline   Amino Acids         g      2.838
                  157                                Serine   Amino Acids         g      1.472
                  158                           Cholesterol         Other        mg     93.000
                  159          Fatty acids, total saturated         Other         g     18.584
                  160    Fatty acids, total monounsaturated         Other         g      8.275
                  161    Fatty acids, total polyunsaturated         Other         g      0.830


  In [133]: db[0]

  Out[133]: {'description': 'Cheese, caraway',
             'group': 'Dairy and Egg Products',
             'id': 1008,
             'manufacturer': '',
             'nutrients': [{'description': 'Protein',
               'group': 'Composition',
               'units': 'g',
               'value': 25.18},
              {'description': 'Total lipid (fat)',
               'group': 'Composition',
               'units': 'g',
               'value': 29.2},
              {'description': 'Carbohydrate, by difference',
               'group': 'Composition',
               'units': 'g',
               'value': 3.06},
              {'description': 'Ash', 'group': 'Other', 'units': 'g', 'value': 3.28},
              {'description': 'Energy',
               'group': 'Energy',
               'units': 'kcal',


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                      'value': 376.0},
                     {'description': 'Water',
                      'group': 'Composition',
                      'units': 'g',
                      'value': 39.28},
                     {'description': 'Energy', 'group': 'Energy', 'units': 'kJ', 'value': 1573.0},
                     {'description': 'Fiber, total dietary',
                      'group': 'Composition',
                      'units': 'g',
                      'value': 0.0},
                     {'description': 'Calcium, Ca',
                      'group': 'Elements',
                      'units': 'mg',
                      'value': 673.0},
                     {'description': 'Iron, Fe',
                      'group': 'Elements',
                      'units': 'mg',
                      'value': 0.64},
                     {'description': 'Magnesium, Mg',
                      'group': 'Elements',
                      'units': 'mg',
                      'value': 22.0},
                     {'description': 'Phosphorus, P',
                      'group': 'Elements',
                      'units': 'mg',
                      'value': 490.0},
                     {'description': 'Potassium, K',
                      'group': 'Elements',
                      'units': 'mg',
                      'value': 93.0},
                     {'description': 'Sodium, Na',
                      'group': 'Elements',
                      'units': 'mg',
                      'value': 690.0},
                     {'description': 'Zinc, Zn',
                      'group': 'Elements',
                      'units': 'mg',
                      'value': 2.94},
                     {'description': 'Copper, Cu',
                      'group': 'Elements',
                      'units': 'mg',
                      'value': 0.024},
                     {'description': 'Manganese, Mn',
                      'group': 'Elements',
                      'units': 'mg',
                      'value': 0.021},
                     {'description': 'Selenium, Se',
                      'group': 'Elements',
                      'units': 'mcg',
                      'value': 14.5},
                     {'description': 'Vitamin A, IU',
                      'group': 'Vitamins',
                      'units': 'IU',
                      'value': 1054.0},
                     {'description': 'Retinol',
                      'group': 'Vitamins',
                      'units': 'mcg',
                      'value': 262.0},
                     {'description': 'Vitamin A, RAE',
                      'group': 'Vitamins',
                      'units': 'mcg_RAE',
                      'value': 271.0},
                     {'description': 'Vitamin C, total ascorbic acid',

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                      'group': 'Vitamins',
                      'units': 'mg',
                      'value': 0.0},
                     {'description': 'Thiamin',
                      'group': 'Vitamins',
                      'units': 'mg',
                      'value': 0.031},
                     {'description': 'Riboflavin',
                      'group': 'Vitamins',
                      'units': 'mg',
                      'value': 0.45},
                     {'description': 'Niacin', 'group': 'Vitamins', 'units': 'mg', 'value': 0.18},
                     {'description': 'Pantothenic acid',
                      'group': 'Vitamins',
                      'units': 'mg',
                      'value': 0.19},
                     {'description': 'Vitamin B-6',
                      'group': 'Vitamins',
                      'units': 'mg',
                      'value': 0.074},
                     {'description': 'Folate, total',
                      'group': 'Vitamins',
                      'units': 'mcg',
                      'value': 18.0},
                     {'description': 'Vitamin B-12',
                      'group': 'Vitamins',
                      'units': 'mcg',
                      'value': 0.27},
                     {'description': 'Folic acid',
                      'group': 'Vitamins',
                      'units': 'mcg',
                      'value': 0.0},
                     {'description': 'Folate, food',
                      'group': 'Vitamins',
                      'units': 'mcg',
                      'value': 18.0},
                     {'description': 'Folate, DFE',
                      'group': 'Vitamins',
                      'units': 'mcg_DFE',
                      'value': 18.0},
                     {'description': 'Cholesterol',
                      'group': 'Other',
                      'units': 'mg',
                      'value': 93.0},
                     {'description': 'Fatty acids, total saturated',
                      'group': 'Other',
                      'units': 'g',
                      'value': 18.584},
                     {'description': 'Fatty acids, total monounsaturated',
                      'group': 'Other',
                      'units': 'g',
                      'value': 8.275},
                     {'description': 'Fatty acids, total polyunsaturated',
                      'group': 'Other',
                      'units': 'g',
                      'value': 0.83},
                     {'description': 'Tryptophan',
                      'group': 'Amino Acids',
                      'units': 'g',
                      'value': 0.324},
                     {'description': 'Threonine',
                      'group': 'Amino Acids',
                      'units': 'g',

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                      'value': 0.896},
                     {'description': 'Isoleucine',
                      'group': 'Amino Acids',
                      'units': 'g',
                      'value': 1.563},
                     {'description': 'Leucine',
                      'group': 'Amino Acids',
                      'units': 'g',
                      'value': 2.412},
                     {'description': 'Lysine',
                      'group': 'Amino Acids',
                      'units': 'g',
                      'value': 2.095},
                     {'description': 'Methionine',
                      'group': 'Amino Acids',
                      'units': 'g',
                      'value': 0.659},
                     {'description': 'Cystine',
                      'group': 'Amino Acids',
                      'units': 'g',
                      'value': 0.126},
                     {'description': 'Phenylalanine',
                      'group': 'Amino Acids',
                      'units': 'g',
                      'value': 1.326},
                     {'description': 'Tyrosine',
                      'group': 'Amino Acids',
                      'units': 'g',
                      'value': 1.216},
                     {'description': 'Valine',
                      'group': 'Amino Acids',
                      'units': 'g',
                      'value': 1.682},
                     {'description': 'Arginine',
                      'group': 'Amino Acids',
                      'units': 'g',
                      'value': 0.952},
                     {'description': 'Histidine',
                      'group': 'Amino Acids',
                      'units': 'g',
                      'value': 0.884},
                     {'description': 'Alanine',
                      'group': 'Amino Acids',
                      'units': 'g',
                      'value': 0.711},
                     {'description': 'Aspartic acid',
                      'group': 'Amino Acids',
                      'units': 'g',
                      'value': 1.618},
                     {'description': 'Glutamic acid',
                      'group': 'Amino Acids',
                      'units': 'g',
                      'value': 6.16},
                     {'description': 'Glycine',
                      'group': 'Amino Acids',
                      'units': 'g',
                      'value': 0.439},
                     {'description': 'Proline',
                      'group': 'Amino Acids',
                      'units': 'g',
                      'value': 2.838},
                     {'description': 'Serine',
                      'group': 'Amino Acids',

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Python pandas workshop iPython notebook (163 pages)
Python pandas workshop iPython notebook (163 pages)
Python pandas workshop iPython notebook (163 pages)
Python pandas workshop iPython notebook (163 pages)
Python pandas workshop iPython notebook (163 pages)
Python pandas workshop iPython notebook (163 pages)
Python pandas workshop iPython notebook (163 pages)
Python pandas workshop iPython notebook (163 pages)
Python pandas workshop iPython notebook (163 pages)
Python pandas workshop iPython notebook (163 pages)
Python pandas workshop iPython notebook (163 pages)
Python pandas workshop iPython notebook (163 pages)
Python pandas workshop iPython notebook (163 pages)
Python pandas workshop iPython notebook (163 pages)
Python pandas workshop iPython notebook (163 pages)
Python pandas workshop iPython notebook (163 pages)
Python pandas workshop iPython notebook (163 pages)
Python pandas workshop iPython notebook (163 pages)
Python pandas workshop iPython notebook (163 pages)

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Python pandas workshop iPython notebook (163 pages)

  • 1. 26/01/2013 08:36 In [2]: print 'hello, world!' Download notebook plt.plot(randn(1000).cumsum()) hello, world! Out[2]: [<matplotlib.lines.Line2D at 0x10a566c50>] In [ ]: import numpy as np import pandas as pd import simplejson as json db_path = 'foods-2011-10-03.json' In [3]: a = [1, 2, 3, 4, 5] In [6]: import numpy as np In [7]: arr = np.array(a) arr Out[7]: array([1, 2, 3, 4, 5]) In [16]: sum(a) Out[16]: 15 In [18]: a Out[18]: [1, 2, 3, 4, 5] In [25]: (np.array(a) * 5).mean() Out[25]: 15.0 In [26]: labels = ['a', 'b', 'c', 'd', 'e'] print labels print a ['a', 'b', 'c', 'd', 'e'] [1, 2, 3, 4, 5] http://nbviewer.ipython.org/3904875/ Page 1 of 163
  • 2. 26/01/2013 08:36 In [27]: import pandas as pd In [29]: s = pd.Series(a, labels) s Out[29]: a 1 b 2 c 3 d 4 e 5 In [36]: arr[arr > 3] Out[36]: array([4, 5]) In [53]: dct = {'a' : 1, 'b' : 4, 'c': 7} s = pd.Series(dct, index=['c', 'a', 'b', 'd']) s[-s.isnull()] Out[53]: c 7 a 1 b 4 In [57]: s.index Out[57]: Index([c, a, b, d], dtype=object) In [59]: pd.set_printoptions(notebook_repr_html=False) In [62]: data = {'one': [1, 2, 3, 4], 'two': ['foo', 'bar', 'baz', 'qux']} df = pd.DataFrame(data, index=['a', 'b', 'c', 'd']) In [65]: df['three'] = df['one'] * 4 In [68]: df.values[2] Out[68]: array([3, baz, 12], dtype=object) In [75]: df Out[75]: one two three a 1 foo 4 b 2 bar 8 c 3 baz 12 d 4 qux 16 In [79]: s1 = df['one'] s2 = df['one'][:3] s2 Out[79]: a 1 b 2 c 3 Name: one In [81]: pd.DataFrame({1: s1, 2: s2}, index=['b', 'a', 'd']) http://nbviewer.ipython.org/3904875/ Page 2 of 163
  • 3. 26/01/2013 08:36 Out[81]: 1 2 b 2 2 a 1 1 d 4 NaN In [90]: (s1 + s2).fillna(method='ffill') Out[90]: a 2 b 4 c 6 d 6 Name: one In [91]: import numpy as np import pandas as pd import simplejson as json db_path = 'foods-2011-10-03.json' db = json.load(open(db_path)) In [96]: nts = pd.DataFrame(db[0]['nutrients']) In [110]: nts Out[110]: description group units value 0 Protein Composition g 25.180 1 Total lipid (fat) Composition g 29.200 2 Carbohydrate, by difference Composition g 3.060 3 Ash Other g 3.280 4 Energy Energy kcal 376.000 5 Water Composition g 39.280 6 Energy Energy kJ 1573.000 7 Fiber, total dietary Composition g 0.000 8 Calcium, Ca Elements mg 673.000 9 Iron, Fe Elements mg 0.640 10 Magnesium, Mg Elements mg 22.000 11 Phosphorus, P Elements mg 490.000 12 Potassium, K Elements mg 93.000 13 Sodium, Na Elements mg 690.000 14 Zinc, Zn Elements mg 2.940 15 Copper, Cu Elements mg 0.024 16 Manganese, Mn Elements mg 0.021 17 Selenium, Se Elements mcg 14.500 18 Vitamin A, IU Vitamins IU 1054.000 19 Retinol Vitamins mcg 262.000 20 Vitamin A, RAE Vitamins mcg_RAE 271.000 21 Vitamin C, total ascorbic acid Vitamins mg 0.000 22 Thiamin Vitamins mg 0.031 23 Riboflavin Vitamins mg 0.450 24 Niacin Vitamins mg 0.180 25 Pantothenic acid Vitamins mg 0.190 26 Vitamin B-6 Vitamins mg 0.074 27 Folate, total Vitamins mcg 18.000 28 Vitamin B-12 Vitamins mcg 0.270 29 Folic acid Vitamins mcg 0.000 30 Folate, food Vitamins mcg 18.000 31 Folate, DFE Vitamins mcg_DFE 18.000 32 Cholesterol Other mg 93.000 33 Fatty acids, total saturated Other g 18.584 34 Fatty acids, total monounsaturated Other g 8.275 http://nbviewer.ipython.org/3904875/ Page 3 of 163
  • 4. 26/01/2013 08:36 35 Fatty acids, total polyunsaturated Other g 0.830 36 Tryptophan Amino Acids g 0.324 37 Threonine Amino Acids g 0.896 38 Isoleucine Amino Acids g 1.563 39 Leucine Amino Acids g 2.412 40 Lysine Amino Acids g 2.095 41 Methionine Amino Acids g 0.659 42 Cystine Amino Acids g 0.126 43 Phenylalanine Amino Acids g 1.326 44 Tyrosine Amino Acids g 1.216 45 Valine Amino Acids g 1.682 46 Arginine Amino Acids g 0.952 47 Histidine Amino Acids g 0.884 48 Alanine Amino Acids g 0.711 49 Aspartic acid Amino Acids g 1.618 50 Glutamic acid Amino Acids g 6.160 51 Glycine Amino Acids g 0.439 52 Proline Amino Acids g 2.838 53 Serine Amino Acids g 1.472 54 Protein Composition g 25.180 55 Total lipid (fat) Composition g 29.200 56 Carbohydrate, by difference Composition g 3.060 57 Ash Other g 3.280 58 Energy Energy kcal 376.000 59 Water Composition g 39.280 60 Energy Energy kJ 1573.000 61 Fiber, total dietary Composition g 0.000 62 Calcium, Ca Elements mg 673.000 63 Iron, Fe Elements mg 0.640 64 Magnesium, Mg Elements mg 22.000 65 Phosphorus, P Elements mg 490.000 66 Potassium, K Elements mg 93.000 67 Sodium, Na Elements mg 690.000 68 Zinc, Zn Elements mg 2.940 69 Copper, Cu Elements mg 0.024 70 Manganese, Mn Elements mg 0.021 71 Selenium, Se Elements mcg 14.500 72 Vitamin A, IU Vitamins IU 1054.000 73 Retinol Vitamins mcg 262.000 74 Vitamin A, RAE Vitamins mcg_RAE 271.000 75 Vitamin C, total ascorbic acid Vitamins mg 0.000 76 Thiamin Vitamins mg 0.031 77 Riboflavin Vitamins mg 0.450 78 Niacin Vitamins mg 0.180 79 Pantothenic acid Vitamins mg 0.190 80 Vitamin B-6 Vitamins mg 0.074 81 Folate, total Vitamins mcg 18.000 82 Vitamin B-12 Vitamins mcg 0.270 83 Folic acid Vitamins mcg 0.000 84 Folate, food Vitamins mcg 18.000 85 Folate, DFE Vitamins mcg_DFE 18.000 86 Tryptophan Amino Acids g 0.324 87 Threonine Amino Acids g 0.896 88 Isoleucine Amino Acids g 1.563 89 Leucine Amino Acids g 2.412 90 Lysine Amino Acids g 2.095 91 Methionine Amino Acids g 0.659 92 Cystine Amino Acids g 0.126 93 Phenylalanine Amino Acids g 1.326 94 Tyrosine Amino Acids g 1.216 95 Valine Amino Acids g 1.682 96 Arginine Amino Acids g 0.952 97 Histidine Amino Acids g 0.884 http://nbviewer.ipython.org/3904875/ Page 4 of 163
  • 5. 26/01/2013 08:36 98 Alanine Amino Acids g 0.711 99 Aspartic acid Amino Acids g 1.618 100 Glutamic acid Amino Acids g 6.160 101 Glycine Amino Acids g 0.439 102 Proline Amino Acids g 2.838 103 Serine Amino Acids g 1.472 104 Cholesterol Other mg 93.000 105 Fatty acids, total saturated Other g 18.584 106 Fatty acids, total monounsaturated Other g 8.275 107 Fatty acids, total polyunsaturated Other g 0.830 108 Protein Composition g 25.180 109 Total lipid (fat) Composition g 29.200 110 Carbohydrate, by difference Composition g 3.060 111 Ash Other g 3.280 112 Energy Energy kcal 376.000 113 Water Composition g 39.280 114 Energy Energy kJ 1573.000 115 Fiber, total dietary Composition g 0.000 116 Calcium, Ca Elements mg 673.000 117 Iron, Fe Elements mg 0.640 118 Magnesium, Mg Elements mg 22.000 119 Phosphorus, P Elements mg 490.000 120 Potassium, K Elements mg 93.000 121 Sodium, Na Elements mg 690.000 122 Zinc, Zn Elements mg 2.940 123 Copper, Cu Elements mg 0.024 124 Manganese, Mn Elements mg 0.021 125 Selenium, Se Elements mcg 14.500 126 Vitamin A, IU Vitamins IU 1054.000 127 Retinol Vitamins mcg 262.000 128 Vitamin A, RAE Vitamins mcg_RAE 271.000 129 Vitamin C, total ascorbic acid Vitamins mg 0.000 130 Thiamin Vitamins mg 0.031 131 Riboflavin Vitamins mg 0.450 132 Niacin Vitamins mg 0.180 133 Pantothenic acid Vitamins mg 0.190 134 Vitamin B-6 Vitamins mg 0.074 135 Folate, total Vitamins mcg 18.000 136 Vitamin B-12 Vitamins mcg 0.270 137 Folic acid Vitamins mcg 0.000 138 Folate, food Vitamins mcg 18.000 139 Folate, DFE Vitamins mcg_DFE 18.000 140 Tryptophan Amino Acids g 0.324 141 Threonine Amino Acids g 0.896 142 Isoleucine Amino Acids g 1.563 143 Leucine Amino Acids g 2.412 144 Lysine Amino Acids g 2.095 145 Methionine Amino Acids g 0.659 146 Cystine Amino Acids g 0.126 147 Phenylalanine Amino Acids g 1.326 148 Tyrosine Amino Acids g 1.216 149 Valine Amino Acids g 1.682 150 Arginine Amino Acids g 0.952 151 Histidine Amino Acids g 0.884 152 Alanine Amino Acids g 0.711 153 Aspartic acid Amino Acids g 1.618 154 Glutamic acid Amino Acids g 6.160 155 Glycine Amino Acids g 0.439 156 Proline Amino Acids g 2.838 157 Serine Amino Acids g 1.472 158 Cholesterol Other mg 93.000 159 Fatty acids, total saturated Other g 18.584 160 Fatty acids, total monounsaturated Other g 8.275 http://nbviewer.ipython.org/3904875/ Page 5 of 163
  • 6. 26/01/2013 08:36 161 Fatty acids, total polyunsaturated Other g 0.830 In [114]: # pd.set_printoptions(max_rows=10000) In [118]: len(nts) Out[118]: 162 In [116]: id_fields = ['id', 'description', 'group'] info = pd.DataFrame(db, columns=id_fields) info[:50] Out[116]: id description group 0 1008 Cheese, caraway Dairy and Egg Products 1 1009 Cheese, cheddar Dairy and Egg Products 2 1018 Cheese, edam Dairy and Egg Products 3 1019 Cheese, feta Dairy and Egg Products 4 1028 Cheese, mozzarella, part skim milk Dairy and Egg Products 5 1029 Cheese, mozzarella, part skim milk, low moisture Dairy and Egg Products 6 1038 Cheese, romano Dairy and Egg Products 7 1039 Cheese, roquefort Dairy and Egg Products 8 1048 Cheese spread, pasteurized process, american, ... Dairy and Egg Products 9 1049 Cream, fluid, half and half Dairy and Egg Products 10 1058 Sour dressing, non-butterfat, cultured, filled... Dairy and Egg Products 11 1059 Milk, filled, fluid, with blend of hydrogenate... Dairy and Egg Products 12 1068 Cream substitute, liquid, with lauric acid oil... Dairy and Egg Products 13 1069 Cream substitute, powdered Dairy and Egg Products 14 1078 Milk, producer, fluid, 3.7% milkfat Dairy and Egg Products 15 1079 Milk, reduced fat, fluid, 2% milkfat, with add... Dairy and Egg Products 16 1080 Milk, reduced fat, fluid, 2% milkfat, with add... Dairy and Egg Products 17 1081 Milk, reduced fat, fluid, 2% milkfat, protein ... Dairy and Egg Products 18 1082 Milk, lowfat, fluid, 1% milkfat, with added vi... Dairy and Egg Products 19 1083 Milk, lowfat, fluid, 1% milkfat, with added no... Dairy and Egg Products 20 1084 Milk, lowfat, fluid, 1% milkfat, protein forti... Dairy and Egg Products 21 1085 Milk, nonfat, fluid, with added vitamin A and ... Dairy and Egg Products 22 1086 Milk, nonfat, fluid, with added nonfat milk so... Dairy and Egg Products 23 1087 Milk, nonfat, fluid, protein fortified, with a... Dairy and Egg Products 24 1088 Milk, buttermilk, fluid, cultured, lowfat Dairy and Egg Products 25 1089 Milk, low sodium, fluid Dairy and Egg Products 26 1090 Milk, dry, whole, with added vitamin D Dairy and Egg Products 27 1091 Milk, dry, nonfat, regular, without added vita... Dairy and Egg Products 28 1092 Milk, dry, nonfat, instant, with added vitamin... Dairy and Egg Products 29 1093 Milk, dry, nonfat, calcium reduced Dairy and Egg Products 30 1094 Milk, buttermilk, dried Dairy and Egg Products 31 1095 Milk, canned, condensed, sweetened Dairy and Egg Products 32 1096 Milk, canned, evaporated, with added vitamin D... Dairy and Egg Products 33 1097 Milk, canned, evaporated, nonfat, with added v... Dairy and Egg Products 34 1108 Milk, indian buffalo, fluid Dairy and Egg Products 35 1109 Milk, sheep, fluid Dairy and Egg Products 36 1118 Yogurt, plain, skim milk, 13 grams protein per... Dairy and Egg Products 37 1119 Yogurt, vanilla, low fat, 11 grams protein per... Dairy and Egg Products 38 1128 Egg, whole, cooked, fried Dairy and Egg Products 39 1129 Egg, whole, cooked, hard-boiled Dairy and Egg Products 40 1138 Egg, duck, whole, fresh, raw Dairy and Egg Products 41 1139 Egg, goose, whole, fresh, raw Dairy and Egg Products 42 1148 Cheese, pasteurized process, swiss, without di... Dairy and Egg Products 43 1149 Cheese food, pasteurized process, american, wi... Dairy and Egg Products 44 1159 Cheese, goat, soft type Dairy and Egg Products 45 1168 Cheese, low fat, cheddar or colby Dairy and Egg Products 46 1169 Cheese, low-sodium, cheddar or colby Dairy and Egg Products 47 1178 Sour cream, reduced fat Dairy and Egg Products http://nbviewer.ipython.org/3904875/ Page 6 of 163
  • 7. 26/01/2013 08:36 48 1179 Sour cream, light Dairy and Egg Products 49 1180 Sour cream, fat free Dairy and Egg Products In [109]: len(db) Out[109]: 6636 In [108]: db[0] Out[108]: {'description': 'Cheese, caraway', 'group': 'Dairy and Egg Products', 'id': 1008, 'manufacturer': '', 'nutrients': [{'description': 'Protein', 'group': 'Composition', 'units': 'g', 'value': 25.18}, {'description': 'Total lipid (fat)', 'group': 'Composition', 'units': 'g', 'value': 29.2}, {'description': 'Carbohydrate, by difference', 'group': 'Composition', 'units': 'g', 'value': 3.06}, {'description': 'Ash', 'group': 'Other', 'units': 'g', 'value': 3.28}, {'description': 'Energy', 'group': 'Energy', 'units': 'kcal', 'value': 376.0}, {'description': 'Water', 'group': 'Composition', 'units': 'g', 'value': 39.28}, {'description': 'Energy', 'group': 'Energy', 'units': 'kJ', 'value': 1573.0}, {'description': 'Fiber, total dietary', 'group': 'Composition', 'units': 'g', 'value': 0.0}, {'description': 'Calcium, Ca', 'group': 'Elements', 'units': 'mg', 'value': 673.0}, {'description': 'Iron, Fe', 'group': 'Elements', 'units': 'mg', 'value': 0.64}, {'description': 'Magnesium, Mg', 'group': 'Elements', 'units': 'mg', 'value': 22.0}, {'description': 'Phosphorus, P', 'group': 'Elements', 'units': 'mg', 'value': 490.0}, {'description': 'Potassium, K', 'group': 'Elements', 'units': 'mg', 'value': 93.0}, {'description': 'Sodium, Na', 'group': 'Elements', 'units': 'mg', http://nbviewer.ipython.org/3904875/ Page 7 of 163
  • 8. 26/01/2013 08:36 'value': 690.0}, {'description': 'Zinc, Zn', 'group': 'Elements', 'units': 'mg', 'value': 2.94}, {'description': 'Copper, Cu', 'group': 'Elements', 'units': 'mg', 'value': 0.024}, {'description': 'Manganese, Mn', 'group': 'Elements', 'units': 'mg', 'value': 0.021}, {'description': 'Selenium, Se', 'group': 'Elements', 'units': 'mcg', 'value': 14.5}, {'description': 'Vitamin A, IU', 'group': 'Vitamins', 'units': 'IU', 'value': 1054.0}, {'description': 'Retinol', 'group': 'Vitamins', 'units': 'mcg', 'value': 262.0}, {'description': 'Vitamin A, RAE', 'group': 'Vitamins', 'units': 'mcg_RAE', 'value': 271.0}, {'description': 'Vitamin C, total ascorbic acid', 'group': 'Vitamins', 'units': 'mg', 'value': 0.0}, {'description': 'Thiamin', 'group': 'Vitamins', 'units': 'mg', 'value': 0.031}, {'description': 'Riboflavin', 'group': 'Vitamins', 'units': 'mg', 'value': 0.45}, {'description': 'Niacin', 'group': 'Vitamins', 'units': 'mg', 'value': 0.18}, {'description': 'Pantothenic acid', 'group': 'Vitamins', 'units': 'mg', 'value': 0.19}, {'description': 'Vitamin B-6', 'group': 'Vitamins', 'units': 'mg', 'value': 0.074}, {'description': 'Folate, total', 'group': 'Vitamins', 'units': 'mcg', 'value': 18.0}, {'description': 'Vitamin B-12', 'group': 'Vitamins', 'units': 'mcg', 'value': 0.27}, {'description': 'Folic acid', 'group': 'Vitamins', 'units': 'mcg', 'value': 0.0}, {'description': 'Folate, food', http://nbviewer.ipython.org/3904875/ Page 8 of 163
  • 9. 26/01/2013 08:36 'group': 'Vitamins', 'units': 'mcg', 'value': 18.0}, {'description': 'Folate, DFE', 'group': 'Vitamins', 'units': 'mcg_DFE', 'value': 18.0}, {'description': 'Cholesterol', 'group': 'Other', 'units': 'mg', 'value': 93.0}, {'description': 'Fatty acids, total saturated', 'group': 'Other', 'units': 'g', 'value': 18.584}, {'description': 'Fatty acids, total monounsaturated', 'group': 'Other', 'units': 'g', 'value': 8.275}, {'description': 'Fatty acids, total polyunsaturated', 'group': 'Other', 'units': 'g', 'value': 0.83}, {'description': 'Tryptophan', 'group': 'Amino Acids', 'units': 'g', 'value': 0.324}, {'description': 'Threonine', 'group': 'Amino Acids', 'units': 'g', 'value': 0.896}, {'description': 'Isoleucine', 'group': 'Amino Acids', 'units': 'g', 'value': 1.563}, {'description': 'Leucine', 'group': 'Amino Acids', 'units': 'g', 'value': 2.412}, {'description': 'Lysine', 'group': 'Amino Acids', 'units': 'g', 'value': 2.095}, {'description': 'Methionine', 'group': 'Amino Acids', 'units': 'g', 'value': 0.659}, {'description': 'Cystine', 'group': 'Amino Acids', 'units': 'g', 'value': 0.126}, {'description': 'Phenylalanine', 'group': 'Amino Acids', 'units': 'g', 'value': 1.326}, {'description': 'Tyrosine', 'group': 'Amino Acids', 'units': 'g', 'value': 1.216}, {'description': 'Valine', 'group': 'Amino Acids', 'units': 'g', 'value': 1.682}, http://nbviewer.ipython.org/3904875/ Page 9 of 163
  • 10. 26/01/2013 08:36 {'description': 'Arginine', 'group': 'Amino Acids', 'units': 'g', 'value': 0.952}, {'description': 'Histidine', 'group': 'Amino Acids', 'units': 'g', 'value': 0.884}, {'description': 'Alanine', 'group': 'Amino Acids', 'units': 'g', 'value': 0.711}, {'description': 'Aspartic acid', 'group': 'Amino Acids', 'units': 'g', 'value': 1.618}, {'description': 'Glutamic acid', 'group': 'Amino Acids', 'units': 'g', 'value': 6.16}, {'description': 'Glycine', 'group': 'Amino Acids', 'units': 'g', 'value': 0.439}, {'description': 'Proline', 'group': 'Amino Acids', 'units': 'g', 'value': 2.838}, {'description': 'Serine', 'group': 'Amino Acids', 'units': 'g', 'value': 1.472}, {'description': 'Protein', 'group': 'Composition', 'units': 'g', 'value': 25.18}, {'description': 'Total lipid (fat)', 'group': 'Composition', 'units': 'g', 'value': 29.2}, {'description': 'Carbohydrate, by difference', 'group': 'Composition', 'units': 'g', 'value': 3.06}, {'description': 'Ash', 'group': 'Other', 'units': 'g', 'value': 3.28}, {'description': 'Energy', 'group': 'Energy', 'units': 'kcal', 'value': 376.0}, {'description': 'Water', 'group': 'Composition', 'units': 'g', 'value': 39.28}, {'description': 'Energy', 'group': 'Energy', 'units': 'kJ', 'value': 1573.0}, {'description': 'Fiber, total dietary', 'group': 'Composition', 'units': 'g', 'value': 0.0}, {'description': 'Calcium, Ca', 'group': 'Elements', 'units': 'mg', 'value': 673.0}, {'description': 'Iron, Fe', http://nbviewer.ipython.org/3904875/ Page 10 of 163
  • 11. 26/01/2013 08:36 'group': 'Elements', 'units': 'mg', 'value': 0.64}, {'description': 'Magnesium, Mg', 'group': 'Elements', 'units': 'mg', 'value': 22.0}, {'description': 'Phosphorus, P', 'group': 'Elements', 'units': 'mg', 'value': 490.0}, {'description': 'Potassium, K', 'group': 'Elements', 'units': 'mg', 'value': 93.0}, {'description': 'Sodium, Na', 'group': 'Elements', 'units': 'mg', 'value': 690.0}, {'description': 'Zinc, Zn', 'group': 'Elements', 'units': 'mg', 'value': 2.94}, {'description': 'Copper, Cu', 'group': 'Elements', 'units': 'mg', 'value': 0.024}, {'description': 'Manganese, Mn', 'group': 'Elements', 'units': 'mg', 'value': 0.021}, {'description': 'Selenium, Se', 'group': 'Elements', 'units': 'mcg', 'value': 14.5}, {'description': 'Vitamin A, IU', 'group': 'Vitamins', 'units': 'IU', 'value': 1054.0}, {'description': 'Retinol', 'group': 'Vitamins', 'units': 'mcg', 'value': 262.0}, {'description': 'Vitamin A, RAE', 'group': 'Vitamins', 'units': 'mcg_RAE', 'value': 271.0}, {'description': 'Vitamin C, total ascorbic acid', 'group': 'Vitamins', 'units': 'mg', 'value': 0.0}, {'description': 'Thiamin', 'group': 'Vitamins', 'units': 'mg', 'value': 0.031}, {'description': 'Riboflavin', 'group': 'Vitamins', 'units': 'mg', 'value': 0.45}, {'description': 'Niacin', 'group': 'Vitamins', 'units': 'mg', 'value': 0.18}, {'description': 'Pantothenic acid', 'group': 'Vitamins', 'units': 'mg', http://nbviewer.ipython.org/3904875/ Page 11 of 163
  • 12. 26/01/2013 08:36 'value': 0.19}, {'description': 'Vitamin B-6', 'group': 'Vitamins', 'units': 'mg', 'value': 0.074}, {'description': 'Folate, total', 'group': 'Vitamins', 'units': 'mcg', 'value': 18.0}, {'description': 'Vitamin B-12', 'group': 'Vitamins', 'units': 'mcg', 'value': 0.27}, {'description': 'Folic acid', 'group': 'Vitamins', 'units': 'mcg', 'value': 0.0}, {'description': 'Folate, food', 'group': 'Vitamins', 'units': 'mcg', 'value': 18.0}, {'description': 'Folate, DFE', 'group': 'Vitamins', 'units': 'mcg_DFE', 'value': 18.0}, {'description': 'Tryptophan', 'group': 'Amino Acids', 'units': 'g', 'value': 0.324}, {'description': 'Threonine', 'group': 'Amino Acids', 'units': 'g', 'value': 0.896}, {'description': 'Isoleucine', 'group': 'Amino Acids', 'units': 'g', 'value': 1.563}, {'description': 'Leucine', 'group': 'Amino Acids', 'units': 'g', 'value': 2.412}, {'description': 'Lysine', 'group': 'Amino Acids', 'units': 'g', 'value': 2.095}, {'description': 'Methionine', 'group': 'Amino Acids', 'units': 'g', 'value': 0.659}, {'description': 'Cystine', 'group': 'Amino Acids', 'units': 'g', 'value': 0.126}, {'description': 'Phenylalanine', 'group': 'Amino Acids', 'units': 'g', 'value': 1.326}, {'description': 'Tyrosine', 'group': 'Amino Acids', 'units': 'g', 'value': 1.216}, {'description': 'Valine', 'group': 'Amino Acids', http://nbviewer.ipython.org/3904875/ Page 12 of 163
  • 13. 26/01/2013 08:36 'units': 'g', 'value': 1.682}, {'description': 'Arginine', 'group': 'Amino Acids', 'units': 'g', 'value': 0.952}, {'description': 'Histidine', 'group': 'Amino Acids', 'units': 'g', 'value': 0.884}, {'description': 'Alanine', 'group': 'Amino Acids', 'units': 'g', 'value': 0.711}, {'description': 'Aspartic acid', 'group': 'Amino Acids', 'units': 'g', 'value': 1.618}, {'description': 'Glutamic acid', 'group': 'Amino Acids', 'units': 'g', 'value': 6.16}, {'description': 'Glycine', 'group': 'Amino Acids', 'units': 'g', 'value': 0.439}, {'description': 'Proline', 'group': 'Amino Acids', 'units': 'g', 'value': 2.838}, {'description': 'Serine', 'group': 'Amino Acids', 'units': 'g', 'value': 1.472}, {'description': 'Cholesterol', 'group': 'Other', 'units': 'mg', 'value': 93.0}, {'description': 'Fatty acids, total saturated', 'group': 'Other', 'units': 'g', 'value': 18.584}, {'description': 'Fatty acids, total monounsaturated', 'group': 'Other', 'units': 'g', 'value': 8.275}, {'description': 'Fatty acids, total polyunsaturated', 'group': 'Other', 'units': 'g', 'value': 0.83}, {'description': 'Protein', 'group': 'Composition', 'units': 'g', 'value': 25.18}, {'description': 'Total lipid (fat)', 'group': 'Composition', 'units': 'g', 'value': 29.2}, {'description': 'Carbohydrate, by difference', 'group': 'Composition', 'units': 'g', 'value': 3.06}, {'description': 'Ash', 'group': 'Other', 'units': 'g', 'value': 3.28}, http://nbviewer.ipython.org/3904875/ Page 13 of 163
  • 14. 26/01/2013 08:36 {'description': 'Energy', 'group': 'Energy', 'units': 'kcal', 'value': 376.0}, {'description': 'Water', 'group': 'Composition', 'units': 'g', 'value': 39.28}, {'description': 'Energy', 'group': 'Energy', 'units': 'kJ', 'value': 1573.0}, {'description': 'Fiber, total dietary', 'group': 'Composition', 'units': 'g', 'value': 0.0}, {'description': 'Calcium, Ca', 'group': 'Elements', 'units': 'mg', 'value': 673.0}, {'description': 'Iron, Fe', 'group': 'Elements', 'units': 'mg', 'value': 0.64}, {'description': 'Magnesium, Mg', 'group': 'Elements', 'units': 'mg', 'value': 22.0}, {'description': 'Phosphorus, P', 'group': 'Elements', 'units': 'mg', 'value': 490.0}, {'description': 'Potassium, K', 'group': 'Elements', 'units': 'mg', 'value': 93.0}, {'description': 'Sodium, Na', 'group': 'Elements', 'units': 'mg', 'value': 690.0}, {'description': 'Zinc, Zn', 'group': 'Elements', 'units': 'mg', 'value': 2.94}, {'description': 'Copper, Cu', 'group': 'Elements', 'units': 'mg', 'value': 0.024}, {'description': 'Manganese, Mn', 'group': 'Elements', 'units': 'mg', 'value': 0.021}, {'description': 'Selenium, Se', 'group': 'Elements', 'units': 'mcg', 'value': 14.5}, {'description': 'Vitamin A, IU', 'group': 'Vitamins', 'units': 'IU', 'value': 1054.0}, {'description': 'Retinol', 'group': 'Vitamins', 'units': 'mcg', 'value': 262.0}, {'description': 'Vitamin A, RAE', 'group': 'Vitamins', http://nbviewer.ipython.org/3904875/ Page 14 of 163
  • 15. 26/01/2013 08:36 'units': 'mcg_RAE', 'value': 271.0}, {'description': 'Vitamin C, total ascorbic acid', 'group': 'Vitamins', 'units': 'mg', 'value': 0.0}, {'description': 'Thiamin', 'group': 'Vitamins', 'units': 'mg', 'value': 0.031}, {'description': 'Riboflavin', 'group': 'Vitamins', 'units': 'mg', 'value': 0.45}, {'description': 'Niacin', 'group': 'Vitamins', 'units': 'mg', 'value': 0.18}, {'description': 'Pantothenic acid', 'group': 'Vitamins', 'units': 'mg', 'value': 0.19}, {'description': 'Vitamin B-6', 'group': 'Vitamins', 'units': 'mg', 'value': 0.074}, {'description': 'Folate, total', 'group': 'Vitamins', 'units': 'mcg', 'value': 18.0}, {'description': 'Vitamin B-12', 'group': 'Vitamins', 'units': 'mcg', 'value': 0.27}, {'description': 'Folic acid', 'group': 'Vitamins', 'units': 'mcg', 'value': 0.0}, {'description': 'Folate, food', 'group': 'Vitamins', 'units': 'mcg', 'value': 18.0}, {'description': 'Folate, DFE', 'group': 'Vitamins', 'units': 'mcg_DFE', 'value': 18.0}, {'description': 'Tryptophan', 'group': 'Amino Acids', 'units': 'g', 'value': 0.324}, {'description': 'Threonine', 'group': 'Amino Acids', 'units': 'g', 'value': 0.896}, {'description': 'Isoleucine', 'group': 'Amino Acids', 'units': 'g', 'value': 1.563}, {'description': 'Leucine', 'group': 'Amino Acids', 'units': 'g', 'value': 2.412}, {'description': 'Lysine', 'group': 'Amino Acids', 'units': 'g', 'value': 2.095}, http://nbviewer.ipython.org/3904875/ Page 15 of 163
  • 16. 26/01/2013 08:36 {'description': 'Methionine', 'group': 'Amino Acids', 'units': 'g', 'value': 0.659}, {'description': 'Cystine', 'group': 'Amino Acids', 'units': 'g', 'value': 0.126}, {'description': 'Phenylalanine', 'group': 'Amino Acids', 'units': 'g', 'value': 1.326}, {'description': 'Tyrosine', 'group': 'Amino Acids', 'units': 'g', 'value': 1.216}, {'description': 'Valine', 'group': 'Amino Acids', 'units': 'g', 'value': 1.682}, {'description': 'Arginine', 'group': 'Amino Acids', 'units': 'g', 'value': 0.952}, {'description': 'Histidine', 'group': 'Amino Acids', 'units': 'g', 'value': 0.884}, {'description': 'Alanine', 'group': 'Amino Acids', 'units': 'g', 'value': 0.711}, {'description': 'Aspartic acid', 'group': 'Amino Acids', 'units': 'g', 'value': 1.618}, {'description': 'Glutamic acid', 'group': 'Amino Acids', 'units': 'g', 'value': 6.16}, {'description': 'Glycine', 'group': 'Amino Acids', 'units': 'g', 'value': 0.439}, {'description': 'Proline', 'group': 'Amino Acids', 'units': 'g', 'value': 2.838}, {'description': 'Serine', 'group': 'Amino Acids', 'units': 'g', 'value': 1.472}, {'description': 'Cholesterol', 'group': 'Other', 'units': 'mg', 'value': 93.0}, {'description': 'Fatty acids, total saturated', 'group': 'Other', 'units': 'g', 'value': 18.584}, {'description': 'Fatty acids, total monounsaturated', 'group': 'Other', 'units': 'g', http://nbviewer.ipython.org/3904875/ Page 16 of 163
  • 17. 26/01/2013 08:36 'value': 8.275}, {'description': 'Fatty acids, total polyunsaturated', 'group': 'Other', 'units': 'g', 'value': 0.83}], 'portions': [{'amount': 1, 'grams': 28.35, 'unit': 'oz'}], 'tags': []} In [107]: nts Out[107]: description group units value 0 Protein Composition g 25.180 1 Total lipid (fat) Composition g 29.200 2 Carbohydrate, by difference Composition g 3.060 3 Ash Other g 3.280 4 Energy Energy kcal 376.000 5 Water Composition g 39.280 6 Energy Energy kJ 1573.000 7 Fiber, total dietary Composition g 0.000 8 Calcium, Ca Elements mg 673.000 9 Iron, Fe Elements mg 0.640 10 Magnesium, Mg Elements mg 22.000 11 Phosphorus, P Elements mg 490.000 12 Potassium, K Elements mg 93.000 13 Sodium, Na Elements mg 690.000 14 Zinc, Zn Elements mg 2.940 15 Copper, Cu Elements mg 0.024 16 Manganese, Mn Elements mg 0.021 17 Selenium, Se Elements mcg 14.500 18 Vitamin A, IU Vitamins IU 1054.000 19 Retinol Vitamins mcg 262.000 20 Vitamin A, RAE Vitamins mcg_RAE 271.000 21 Vitamin C, total ascorbic acid Vitamins mg 0.000 22 Thiamin Vitamins mg 0.031 23 Riboflavin Vitamins mg 0.450 24 Niacin Vitamins mg 0.180 25 Pantothenic acid Vitamins mg 0.190 26 Vitamin B-6 Vitamins mg 0.074 27 Folate, total Vitamins mcg 18.000 28 Vitamin B-12 Vitamins mcg 0.270 29 Folic acid Vitamins mcg 0.000 30 Folate, food Vitamins mcg 18.000 31 Folate, DFE Vitamins mcg_DFE 18.000 32 Cholesterol Other mg 93.000 33 Fatty acids, total saturated Other g 18.584 34 Fatty acids, total monounsaturated Other g 8.275 35 Fatty acids, total polyunsaturated Other g 0.830 36 Tryptophan Amino Acids g 0.324 37 Threonine Amino Acids g 0.896 38 Isoleucine Amino Acids g 1.563 39 Leucine Amino Acids g 2.412 40 Lysine Amino Acids g 2.095 41 Methionine Amino Acids g 0.659 42 Cystine Amino Acids g 0.126 43 Phenylalanine Amino Acids g 1.326 44 Tyrosine Amino Acids g 1.216 45 Valine Amino Acids g 1.682 46 Arginine Amino Acids g 0.952 47 Histidine Amino Acids g 0.884 48 Alanine Amino Acids g 0.711 49 Aspartic acid Amino Acids g 1.618 50 Glutamic acid Amino Acids g 6.160 http://nbviewer.ipython.org/3904875/ Page 17 of 163
  • 18. 26/01/2013 08:36 51 Glycine Amino Acids g 0.439 52 Proline Amino Acids g 2.838 53 Serine Amino Acids g 1.472 54 Protein Composition g 25.180 55 Total lipid (fat) Composition g 29.200 56 Carbohydrate, by difference Composition g 3.060 57 Ash Other g 3.280 58 Energy Energy kcal 376.000 59 Water Composition g 39.280 60 Energy Energy kJ 1573.000 61 Fiber, total dietary Composition g 0.000 62 Calcium, Ca Elements mg 673.000 63 Iron, Fe Elements mg 0.640 64 Magnesium, Mg Elements mg 22.000 65 Phosphorus, P Elements mg 490.000 66 Potassium, K Elements mg 93.000 67 Sodium, Na Elements mg 690.000 68 Zinc, Zn Elements mg 2.940 69 Copper, Cu Elements mg 0.024 70 Manganese, Mn Elements mg 0.021 71 Selenium, Se Elements mcg 14.500 72 Vitamin A, IU Vitamins IU 1054.000 73 Retinol Vitamins mcg 262.000 74 Vitamin A, RAE Vitamins mcg_RAE 271.000 75 Vitamin C, total ascorbic acid Vitamins mg 0.000 76 Thiamin Vitamins mg 0.031 77 Riboflavin Vitamins mg 0.450 78 Niacin Vitamins mg 0.180 79 Pantothenic acid Vitamins mg 0.190 80 Vitamin B-6 Vitamins mg 0.074 81 Folate, total Vitamins mcg 18.000 82 Vitamin B-12 Vitamins mcg 0.270 83 Folic acid Vitamins mcg 0.000 84 Folate, food Vitamins mcg 18.000 85 Folate, DFE Vitamins mcg_DFE 18.000 86 Tryptophan Amino Acids g 0.324 87 Threonine Amino Acids g 0.896 88 Isoleucine Amino Acids g 1.563 89 Leucine Amino Acids g 2.412 90 Lysine Amino Acids g 2.095 91 Methionine Amino Acids g 0.659 92 Cystine Amino Acids g 0.126 93 Phenylalanine Amino Acids g 1.326 94 Tyrosine Amino Acids g 1.216 95 Valine Amino Acids g 1.682 96 Arginine Amino Acids g 0.952 97 Histidine Amino Acids g 0.884 98 Alanine Amino Acids g 0.711 99 Aspartic acid Amino Acids g 1.618 100 Glutamic acid Amino Acids g 6.160 101 Glycine Amino Acids g 0.439 102 Proline Amino Acids g 2.838 103 Serine Amino Acids g 1.472 104 Cholesterol Other mg 93.000 105 Fatty acids, total saturated Other g 18.584 106 Fatty acids, total monounsaturated Other g 8.275 107 Fatty acids, total polyunsaturated Other g 0.830 108 Protein Composition g 25.180 109 Total lipid (fat) Composition g 29.200 110 Carbohydrate, by difference Composition g 3.060 111 Ash Other g 3.280 112 Energy Energy kcal 376.000 113 Water Composition g 39.280 http://nbviewer.ipython.org/3904875/ Page 18 of 163
  • 19. 26/01/2013 08:36 114 Energy Energy kJ 1573.000 115 Fiber, total dietary Composition g 0.000 116 Calcium, Ca Elements mg 673.000 117 Iron, Fe Elements mg 0.640 118 Magnesium, Mg Elements mg 22.000 119 Phosphorus, P Elements mg 490.000 120 Potassium, K Elements mg 93.000 121 Sodium, Na Elements mg 690.000 122 Zinc, Zn Elements mg 2.940 123 Copper, Cu Elements mg 0.024 124 Manganese, Mn Elements mg 0.021 125 Selenium, Se Elements mcg 14.500 126 Vitamin A, IU Vitamins IU 1054.000 127 Retinol Vitamins mcg 262.000 128 Vitamin A, RAE Vitamins mcg_RAE 271.000 129 Vitamin C, total ascorbic acid Vitamins mg 0.000 130 Thiamin Vitamins mg 0.031 131 Riboflavin Vitamins mg 0.450 132 Niacin Vitamins mg 0.180 133 Pantothenic acid Vitamins mg 0.190 134 Vitamin B-6 Vitamins mg 0.074 135 Folate, total Vitamins mcg 18.000 136 Vitamin B-12 Vitamins mcg 0.270 137 Folic acid Vitamins mcg 0.000 138 Folate, food Vitamins mcg 18.000 139 Folate, DFE Vitamins mcg_DFE 18.000 140 Tryptophan Amino Acids g 0.324 141 Threonine Amino Acids g 0.896 142 Isoleucine Amino Acids g 1.563 143 Leucine Amino Acids g 2.412 144 Lysine Amino Acids g 2.095 145 Methionine Amino Acids g 0.659 146 Cystine Amino Acids g 0.126 147 Phenylalanine Amino Acids g 1.326 148 Tyrosine Amino Acids g 1.216 149 Valine Amino Acids g 1.682 150 Arginine Amino Acids g 0.952 151 Histidine Amino Acids g 0.884 152 Alanine Amino Acids g 0.711 153 Aspartic acid Amino Acids g 1.618 154 Glutamic acid Amino Acids g 6.160 155 Glycine Amino Acids g 0.439 156 Proline Amino Acids g 2.838 157 Serine Amino Acids g 1.472 158 Cholesterol Other mg 93.000 159 Fatty acids, total saturated Other g 18.584 160 Fatty acids, total monounsaturated Other g 8.275 161 Fatty acids, total polyunsaturated Other g 0.830 In [123]: info.group.value_counts().plot(kind='bar') Out[123]: <matplotlib.axes.AxesSubplot at 0x10bc66e50> http://nbviewer.ipython.org/3904875/ Page 19 of 163
  • 20. 26/01/2013 08:36 In [126]: info.head() Out[126]: id description group 0 1008 Cheese, caraway Dairy and Egg Products 1 1009 Cheese, cheddar Dairy and Egg Products 2 1018 Cheese, edam Dairy and Egg Products 3 1019 Cheese, feta Dairy and Egg Products 4 1028 Cheese, mozzarella, part skim milk Dairy and Egg Products In [125]: nts.head() Out[125]: description group units value 0 Protein Composition g 25.18 1 Total lipid (fat) Composition g 29.20 2 Carbohydrate, by difference Composition g 3.06 3 Ash Other g 3.28 4 Energy Energy kcal 376.00 In [124]: info Out[124]: <class 'pandas.core.frame.DataFrame'> Int64Index: 6636 entries, 0 to 6635 Data columns: id 6636 non-null values description 6636 non-null values group 6636 non-null values dtypes: int64(1), object(2) In [128]: # info.columns = ['id', 'fname', 'fgroup'] mapping = {'description': 'fname', 'group' : 'fgroup'} info = info.rename(columns=mapping) info.head() Out[128]: id fname fgroup 0 1008 Cheese, caraway Dairy and Egg Products 1 1009 Cheese, cheddar Dairy and Egg Products 2 1018 Cheese, edam Dairy and Egg Products 3 1019 Cheese, feta Dairy and Egg Products 4 1028 Cheese, mozzarella, part skim milk Dairy and Egg Products In [129]: mapping = {'description': 'nname', 'group' : 'ngroup'} nts = nts.rename(columns=mapping) http://nbviewer.ipython.org/3904875/ Page 20 of 163
  • 21. 26/01/2013 08:36 nts Out[129]: nname ngroup units value 0 Protein Composition g 25.180 1 Total lipid (fat) Composition g 29.200 2 Carbohydrate, by difference Composition g 3.060 3 Ash Other g 3.280 4 Energy Energy kcal 376.000 5 Water Composition g 39.280 6 Energy Energy kJ 1573.000 7 Fiber, total dietary Composition g 0.000 8 Calcium, Ca Elements mg 673.000 9 Iron, Fe Elements mg 0.640 10 Magnesium, Mg Elements mg 22.000 11 Phosphorus, P Elements mg 490.000 12 Potassium, K Elements mg 93.000 13 Sodium, Na Elements mg 690.000 14 Zinc, Zn Elements mg 2.940 15 Copper, Cu Elements mg 0.024 16 Manganese, Mn Elements mg 0.021 17 Selenium, Se Elements mcg 14.500 18 Vitamin A, IU Vitamins IU 1054.000 19 Retinol Vitamins mcg 262.000 20 Vitamin A, RAE Vitamins mcg_RAE 271.000 21 Vitamin C, total ascorbic acid Vitamins mg 0.000 22 Thiamin Vitamins mg 0.031 23 Riboflavin Vitamins mg 0.450 24 Niacin Vitamins mg 0.180 25 Pantothenic acid Vitamins mg 0.190 26 Vitamin B-6 Vitamins mg 0.074 27 Folate, total Vitamins mcg 18.000 28 Vitamin B-12 Vitamins mcg 0.270 29 Folic acid Vitamins mcg 0.000 30 Folate, food Vitamins mcg 18.000 31 Folate, DFE Vitamins mcg_DFE 18.000 32 Cholesterol Other mg 93.000 33 Fatty acids, total saturated Other g 18.584 34 Fatty acids, total monounsaturated Other g 8.275 35 Fatty acids, total polyunsaturated Other g 0.830 36 Tryptophan Amino Acids g 0.324 37 Threonine Amino Acids g 0.896 38 Isoleucine Amino Acids g 1.563 39 Leucine Amino Acids g 2.412 40 Lysine Amino Acids g 2.095 41 Methionine Amino Acids g 0.659 42 Cystine Amino Acids g 0.126 43 Phenylalanine Amino Acids g 1.326 44 Tyrosine Amino Acids g 1.216 45 Valine Amino Acids g 1.682 46 Arginine Amino Acids g 0.952 47 Histidine Amino Acids g 0.884 48 Alanine Amino Acids g 0.711 49 Aspartic acid Amino Acids g 1.618 50 Glutamic acid Amino Acids g 6.160 51 Glycine Amino Acids g 0.439 52 Proline Amino Acids g 2.838 53 Serine Amino Acids g 1.472 54 Protein Composition g 25.180 55 Total lipid (fat) Composition g 29.200 56 Carbohydrate, by difference Composition g 3.060 57 Ash Other g 3.280 58 Energy Energy kcal 376.000 59 Water Composition g 39.280 http://nbviewer.ipython.org/3904875/ Page 21 of 163
  • 22. 26/01/2013 08:36 60 Energy Energy kJ 1573.000 61 Fiber, total dietary Composition g 0.000 62 Calcium, Ca Elements mg 673.000 63 Iron, Fe Elements mg 0.640 64 Magnesium, Mg Elements mg 22.000 65 Phosphorus, P Elements mg 490.000 66 Potassium, K Elements mg 93.000 67 Sodium, Na Elements mg 690.000 68 Zinc, Zn Elements mg 2.940 69 Copper, Cu Elements mg 0.024 70 Manganese, Mn Elements mg 0.021 71 Selenium, Se Elements mcg 14.500 72 Vitamin A, IU Vitamins IU 1054.000 73 Retinol Vitamins mcg 262.000 74 Vitamin A, RAE Vitamins mcg_RAE 271.000 75 Vitamin C, total ascorbic acid Vitamins mg 0.000 76 Thiamin Vitamins mg 0.031 77 Riboflavin Vitamins mg 0.450 78 Niacin Vitamins mg 0.180 79 Pantothenic acid Vitamins mg 0.190 80 Vitamin B-6 Vitamins mg 0.074 81 Folate, total Vitamins mcg 18.000 82 Vitamin B-12 Vitamins mcg 0.270 83 Folic acid Vitamins mcg 0.000 84 Folate, food Vitamins mcg 18.000 85 Folate, DFE Vitamins mcg_DFE 18.000 86 Tryptophan Amino Acids g 0.324 87 Threonine Amino Acids g 0.896 88 Isoleucine Amino Acids g 1.563 89 Leucine Amino Acids g 2.412 90 Lysine Amino Acids g 2.095 91 Methionine Amino Acids g 0.659 92 Cystine Amino Acids g 0.126 93 Phenylalanine Amino Acids g 1.326 94 Tyrosine Amino Acids g 1.216 95 Valine Amino Acids g 1.682 96 Arginine Amino Acids g 0.952 97 Histidine Amino Acids g 0.884 98 Alanine Amino Acids g 0.711 99 Aspartic acid Amino Acids g 1.618 100 Glutamic acid Amino Acids g 6.160 101 Glycine Amino Acids g 0.439 102 Proline Amino Acids g 2.838 103 Serine Amino Acids g 1.472 104 Cholesterol Other mg 93.000 105 Fatty acids, total saturated Other g 18.584 106 Fatty acids, total monounsaturated Other g 8.275 107 Fatty acids, total polyunsaturated Other g 0.830 108 Protein Composition g 25.180 109 Total lipid (fat) Composition g 29.200 110 Carbohydrate, by difference Composition g 3.060 111 Ash Other g 3.280 112 Energy Energy kcal 376.000 113 Water Composition g 39.280 114 Energy Energy kJ 1573.000 115 Fiber, total dietary Composition g 0.000 116 Calcium, Ca Elements mg 673.000 117 Iron, Fe Elements mg 0.640 118 Magnesium, Mg Elements mg 22.000 119 Phosphorus, P Elements mg 490.000 120 Potassium, K Elements mg 93.000 121 Sodium, Na Elements mg 690.000 122 Zinc, Zn Elements mg 2.940 http://nbviewer.ipython.org/3904875/ Page 22 of 163
  • 23. 26/01/2013 08:36 123 Copper, Cu Elements mg 0.024 124 Manganese, Mn Elements mg 0.021 125 Selenium, Se Elements mcg 14.500 126 Vitamin A, IU Vitamins IU 1054.000 127 Retinol Vitamins mcg 262.000 128 Vitamin A, RAE Vitamins mcg_RAE 271.000 129 Vitamin C, total ascorbic acid Vitamins mg 0.000 130 Thiamin Vitamins mg 0.031 131 Riboflavin Vitamins mg 0.450 132 Niacin Vitamins mg 0.180 133 Pantothenic acid Vitamins mg 0.190 134 Vitamin B-6 Vitamins mg 0.074 135 Folate, total Vitamins mcg 18.000 136 Vitamin B-12 Vitamins mcg 0.270 137 Folic acid Vitamins mcg 0.000 138 Folate, food Vitamins mcg 18.000 139 Folate, DFE Vitamins mcg_DFE 18.000 140 Tryptophan Amino Acids g 0.324 141 Threonine Amino Acids g 0.896 142 Isoleucine Amino Acids g 1.563 143 Leucine Amino Acids g 2.412 144 Lysine Amino Acids g 2.095 145 Methionine Amino Acids g 0.659 146 Cystine Amino Acids g 0.126 147 Phenylalanine Amino Acids g 1.326 148 Tyrosine Amino Acids g 1.216 149 Valine Amino Acids g 1.682 150 Arginine Amino Acids g 0.952 151 Histidine Amino Acids g 0.884 152 Alanine Amino Acids g 0.711 153 Aspartic acid Amino Acids g 1.618 154 Glutamic acid Amino Acids g 6.160 155 Glycine Amino Acids g 0.439 156 Proline Amino Acids g 2.838 157 Serine Amino Acids g 1.472 158 Cholesterol Other mg 93.000 159 Fatty acids, total saturated Other g 18.584 160 Fatty acids, total monounsaturated Other g 8.275 161 Fatty acids, total polyunsaturated Other g 0.830 In [133]: db[0] Out[133]: {'description': 'Cheese, caraway', 'group': 'Dairy and Egg Products', 'id': 1008, 'manufacturer': '', 'nutrients': [{'description': 'Protein', 'group': 'Composition', 'units': 'g', 'value': 25.18}, {'description': 'Total lipid (fat)', 'group': 'Composition', 'units': 'g', 'value': 29.2}, {'description': 'Carbohydrate, by difference', 'group': 'Composition', 'units': 'g', 'value': 3.06}, {'description': 'Ash', 'group': 'Other', 'units': 'g', 'value': 3.28}, {'description': 'Energy', 'group': 'Energy', 'units': 'kcal', http://nbviewer.ipython.org/3904875/ Page 23 of 163
  • 24. 26/01/2013 08:36 'value': 376.0}, {'description': 'Water', 'group': 'Composition', 'units': 'g', 'value': 39.28}, {'description': 'Energy', 'group': 'Energy', 'units': 'kJ', 'value': 1573.0}, {'description': 'Fiber, total dietary', 'group': 'Composition', 'units': 'g', 'value': 0.0}, {'description': 'Calcium, Ca', 'group': 'Elements', 'units': 'mg', 'value': 673.0}, {'description': 'Iron, Fe', 'group': 'Elements', 'units': 'mg', 'value': 0.64}, {'description': 'Magnesium, Mg', 'group': 'Elements', 'units': 'mg', 'value': 22.0}, {'description': 'Phosphorus, P', 'group': 'Elements', 'units': 'mg', 'value': 490.0}, {'description': 'Potassium, K', 'group': 'Elements', 'units': 'mg', 'value': 93.0}, {'description': 'Sodium, Na', 'group': 'Elements', 'units': 'mg', 'value': 690.0}, {'description': 'Zinc, Zn', 'group': 'Elements', 'units': 'mg', 'value': 2.94}, {'description': 'Copper, Cu', 'group': 'Elements', 'units': 'mg', 'value': 0.024}, {'description': 'Manganese, Mn', 'group': 'Elements', 'units': 'mg', 'value': 0.021}, {'description': 'Selenium, Se', 'group': 'Elements', 'units': 'mcg', 'value': 14.5}, {'description': 'Vitamin A, IU', 'group': 'Vitamins', 'units': 'IU', 'value': 1054.0}, {'description': 'Retinol', 'group': 'Vitamins', 'units': 'mcg', 'value': 262.0}, {'description': 'Vitamin A, RAE', 'group': 'Vitamins', 'units': 'mcg_RAE', 'value': 271.0}, {'description': 'Vitamin C, total ascorbic acid', http://nbviewer.ipython.org/3904875/ Page 24 of 163
  • 25. 26/01/2013 08:36 'group': 'Vitamins', 'units': 'mg', 'value': 0.0}, {'description': 'Thiamin', 'group': 'Vitamins', 'units': 'mg', 'value': 0.031}, {'description': 'Riboflavin', 'group': 'Vitamins', 'units': 'mg', 'value': 0.45}, {'description': 'Niacin', 'group': 'Vitamins', 'units': 'mg', 'value': 0.18}, {'description': 'Pantothenic acid', 'group': 'Vitamins', 'units': 'mg', 'value': 0.19}, {'description': 'Vitamin B-6', 'group': 'Vitamins', 'units': 'mg', 'value': 0.074}, {'description': 'Folate, total', 'group': 'Vitamins', 'units': 'mcg', 'value': 18.0}, {'description': 'Vitamin B-12', 'group': 'Vitamins', 'units': 'mcg', 'value': 0.27}, {'description': 'Folic acid', 'group': 'Vitamins', 'units': 'mcg', 'value': 0.0}, {'description': 'Folate, food', 'group': 'Vitamins', 'units': 'mcg', 'value': 18.0}, {'description': 'Folate, DFE', 'group': 'Vitamins', 'units': 'mcg_DFE', 'value': 18.0}, {'description': 'Cholesterol', 'group': 'Other', 'units': 'mg', 'value': 93.0}, {'description': 'Fatty acids, total saturated', 'group': 'Other', 'units': 'g', 'value': 18.584}, {'description': 'Fatty acids, total monounsaturated', 'group': 'Other', 'units': 'g', 'value': 8.275}, {'description': 'Fatty acids, total polyunsaturated', 'group': 'Other', 'units': 'g', 'value': 0.83}, {'description': 'Tryptophan', 'group': 'Amino Acids', 'units': 'g', 'value': 0.324}, {'description': 'Threonine', 'group': 'Amino Acids', 'units': 'g', http://nbviewer.ipython.org/3904875/ Page 25 of 163
  • 26. 26/01/2013 08:36 'value': 0.896}, {'description': 'Isoleucine', 'group': 'Amino Acids', 'units': 'g', 'value': 1.563}, {'description': 'Leucine', 'group': 'Amino Acids', 'units': 'g', 'value': 2.412}, {'description': 'Lysine', 'group': 'Amino Acids', 'units': 'g', 'value': 2.095}, {'description': 'Methionine', 'group': 'Amino Acids', 'units': 'g', 'value': 0.659}, {'description': 'Cystine', 'group': 'Amino Acids', 'units': 'g', 'value': 0.126}, {'description': 'Phenylalanine', 'group': 'Amino Acids', 'units': 'g', 'value': 1.326}, {'description': 'Tyrosine', 'group': 'Amino Acids', 'units': 'g', 'value': 1.216}, {'description': 'Valine', 'group': 'Amino Acids', 'units': 'g', 'value': 1.682}, {'description': 'Arginine', 'group': 'Amino Acids', 'units': 'g', 'value': 0.952}, {'description': 'Histidine', 'group': 'Amino Acids', 'units': 'g', 'value': 0.884}, {'description': 'Alanine', 'group': 'Amino Acids', 'units': 'g', 'value': 0.711}, {'description': 'Aspartic acid', 'group': 'Amino Acids', 'units': 'g', 'value': 1.618}, {'description': 'Glutamic acid', 'group': 'Amino Acids', 'units': 'g', 'value': 6.16}, {'description': 'Glycine', 'group': 'Amino Acids', 'units': 'g', 'value': 0.439}, {'description': 'Proline', 'group': 'Amino Acids', 'units': 'g', 'value': 2.838}, {'description': 'Serine', 'group': 'Amino Acids', http://nbviewer.ipython.org/3904875/ Page 26 of 163