1. Open Data

5. 5:18AM
24 mph
8:35AM
11.5 mph
6:33PM
11.5 mph

6. 2 Major Types of Analysis
• Hypothesis Driven Analysis
• Data Driven Analysis

7. Hypothesis-Driven Analysis
1. Start with something you want to measure
2. Find relevant data sources
3. Ask appropriate questions
4. Analyze data to answer questions
5. Look for actions to take

8. Data-Driven Analysis
1. Start with dataset
2. Come up with list of questions to ask about
data
3. Explore answers and look for interesting
results
4. Look for actions to take

9. How to get the most
out of your Data

10. 1. Follow Your Gut

13. 2. Keep it Simple

16. 0
0.5
1
1.5
2
2.5
3
3.5
4
12AM
1
2
3
4
5
6
7
8
9
10
11
12PM
1
2
3
4
5
6
7
8
9
10
11
CrimesCommitedperHour Hourly Robbery Rate in NYC, 2006-2015

17. 0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
5
HourlyCrimeRate
Hourly Robbery Rate in NYC, 2006-2015
School Day
Vacation Weekday
Weekend

18. 3. Think Outside The Box

20. 4. Figure out What Exactly
You Want to Measure

21. 94%

23. 5. Take Action

25. Department of Health
“Inspectors are not instructed to offer leniency,
just to cite what they see. The final score is
based on the extent of the violations that the
inspector observes.”

26. 20% of Fare,
Surcharge
20% of Fare,
Surcharge,
Tax, Toll
VerifoneCMT

27. “We appreciate the work that went into
his analysis, and we’re giving it a
thorough read”
NYC Taxi and Limousine Commission

28. “ ”
NYPD

29. “We are working on fixing this misprint in
the publicly shared Supporting Schedule
and on Open Data”
--NYC Mayor’s Offce

30. 19th Precinct
$25,000
$33,000

32. Google Street View

33. “While DOT has not received any complaints
about this location, we will review the roadway
markings and make any appropriate alterations.”

37. “Mr. Wellington’s analysis identified errors the
department made in issuing parking
summonses. It appears to be a misunderstanding
by officers on patrol of a recent, abstruse change
in the parking rules. We appreciate Mr.
Wellington bringing this anomaly to our
attention.”
-New York Police Department

38. Best Practices
1. Follow Your Gut
2. Keep It Simple
3. Think Outside the Box
4. Figure Out What You Want to Measure
5. Take Action

41. Thank you.
ben@iquant.nyc@iquantny