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R Text-Based Data I/O and Data Frame Access and Manupulation

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Ian Cook
Ian Cook

A tutorial intended primarily for beginners covering the classic methods of getting data into and out of R and accessing data in data frames in R.

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R Text-Based Data I/O R Data Frame Access and Manipulation Ian M. Cook September 29, 2010
R Data I/O, Access, and Manipulation September 29, 2010 Background Information
Data Types ,[object Object],[object Object],[object Object],[object Object],R Data I/O, Access, and Manipulation September 29, 2010
Data Containers ,[object Object],[object Object],[object Object],[object Object],R Data I/O, Access, and Manipulation September 29, 2010
Data Containers ,[object Object],[object Object],[object Object],R Data I/O, Access, and Manipulation September 29, 2010
Data Frames ,[object Object],[object Object],[object Object],R Data I/O, Access, and Manipulation September 29, 2010
R Data I/O, Access, and Manipulation September 29, 2010 Data Frame Input/Output
Basic CSV Data Input ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],R Data I/O, Access, and Manipulation September 29, 2010
Important Tips ,[object Object],[object Object],[object Object],[object Object],R Data I/O, Access, and Manipulation September 29, 2010
Other Delimited Text Files ,[object Object],[object Object],[object Object],[object Object],[object Object],R Data I/O, Access, and Manipulation September 29, 2010
Important Tips ,[object Object],[object Object],[object Object],R Data I/O, Access, and Manipulation September 29, 2010
CSV Data Output ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],R Data I/O, Access, and Manipulation September 29, 2010
Important Tips ,[object Object],[object Object],R Data I/O, Access, and Manipulation September 29, 2010
Databases ,[object Object],[object Object],[object Object],[object Object],R Data I/O, Access, and Manipulation September 29, 2010
MySQL Databases ,[object Object],[object Object],R Data I/O, Access, and Manipulation September 29, 2010
Oracle Databases ,[object Object],[object Object],R Data I/O, Access, and Manipulation September 29, 2010
R Data I/O, Access, and Manipulation September 29, 2010 Data Frame Access and Manipulation
Accessing Columns in a Data Frame ,[object Object],[object Object],[object Object],[object Object],[object Object],R Data I/O, Access, and Manipulation September 29, 2010
Dollar Sign Extraction Operator ,[object Object],[object Object],[object Object],R Data I/O, Access, and Manipulation September 29, 2010
Square Brackets Extraction Operator ,[object Object],[object Object],[object Object],[object Object],R Data I/O, Access, and Manipulation September 29, 2010
subset() Function ,[object Object],[object Object],R Data I/O, Access, and Manipulation September 29, 2010
Numerical Indices ,[object Object],[object Object],[object Object],[object Object],[object Object],R Data I/O, Access, and Manipulation September 29, 2010
Accessing Rows in a Data Frame ,[object Object],[object Object],[object Object],[object Object],R Data I/O, Access, and Manipulation September 29, 2010
Square Brackets Extraction Operator ,[object Object],[object Object],[object Object],R Data I/O, Access, and Manipulation September 29, 2010
Square Brackets Extraction Operator ,[object Object],[object Object],[object Object],R Data I/O, Access, and Manipulation September 29, 2010
subset() Function ,[object Object],[object Object],[object Object],R Data I/O, Access, and Manipulation September 29, 2010
Square Brackets Extraction Operator ,[object Object],[object Object],[object Object],[object Object],[object Object],R Data I/O, Access, and Manipulation September 29, 2010
Assignment with [] and $ ,[object Object],[object Object],[object Object],[object Object],R Data I/O, Access, and Manipulation September 29, 2010
Dimensions ,[object Object],[object Object],[object Object],[object Object],[object Object],R Data I/O, Access, and Manipulation September 29, 2010
Factors ,[object Object],[object Object],[object Object],R Data I/O, Access, and Manipulation September 29, 2010
R Data I/O, Access, and Manipulation September 29, 2010 Connections and Line-by-Line Text Input/Output
Connections ,[object Object],[object Object],[object Object],[object Object],R Data I/O, Access, and Manipulation September 29, 2010
Connections for Input ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],R Data I/O, Access, and Manipulation September 29, 2010
Line-by-Line Input ,[object Object],[object Object],[object Object],[object Object],[object Object],R Data I/O, Access, and Manipulation September 29, 2010
Line-by-Line Input ,[object Object],[object Object],[object Object],R Data I/O, Access, and Manipulation September 29, 2010
Connections for Output ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],R Data I/O, Access, and Manipulation September 29, 2010
Output to a Connection ,[object Object],[object Object],[object Object],[object Object],R Data I/O, Access, and Manipulation September 29, 2010
Output to a File ,[object Object],[object Object],[object Object],[object Object],[object Object],R Data I/O, Access, and Manipulation September 29, 2010
Output to a File ,[object Object],[object Object],[object Object],[object Object],R Data I/O, Access, and Manipulation September 29, 2010
Gzip Connections ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],R Data I/O, Access, and Manipulation September 29, 2010

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R Text-Based Data I/O and Data Frame Access and Manupulation

  • 1. R Text-Based Data I/O R Data Frame Access and Manipulation Ian M. Cook September 29, 2010
  • 2. R Data I/O, Access, and Manipulation September 29, 2010 Background Information
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  • 7. R Data I/O, Access, and Manipulation September 29, 2010 Data Frame Input/Output
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  • 17. R Data I/O, Access, and Manipulation September 29, 2010 Data Frame Access and Manipulation
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  • 31. R Data I/O, Access, and Manipulation September 29, 2010 Connections and Line-by-Line Text Input/Output
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