Presentation to a group of law enforcement professionals at the 3rd annual Criminal Justice Leadership Institute at Seattle University

1. Data Visualization
Techniques and Interpretation
Seattle University
Criminal Justice Leadership Institute
Aug 12, 2015

2. About Ben
UCLA BSME
2000
CLU
MBA 2011
Director,
Tableau Public
Author,
Communicating
Data with
Tableau (O’Reilly
2014)
Blogger,
DataRemixed.com
Medtronic Diabetes
Lean Sigma MBB
UW PCE
Data Viz Instructor

3. The Jones family house: burglarized on May 21st

4. Ben’s car: broken into on June 1st

5. Q: just how safe is Bellevue, anyway?

8. Crime in U.S. Cities

9. data viz and law enforcement

10. “’Data! Data! Data!’ he cried impatiently.
‘I can’t make bricks without clay!’”

11. Source: http://www.ucrdatatool.gov/Search/Crime/State/RunCrimeStatebyState.cfm
Since the mid 1990s, Crime is Down…

12. …and so is American’s confidence in the police
Source: http://www.gallup.com/poll/183704/confidence-police-lowest-years.aspx

13. why?

15. A perception of disparity
http://www.nydailynews.com/new-york/summons-broken-windows-racial-disparity-garner-article-1.1890567

16. http://www.nydailynews.com/new-york/nyc-crime/forgotten-record-murder-rate-cases-unsolved-article-1.1566572
A question of resource allocation

17. http://www.nydailynews.com/new-york/nyc-crime/forgotten-record-murder-rate-cases-unsolved-article-1.1566572

18. http://www.nydailynews.com/new-york/nyc-crime/forgotten-record-murder-rate-cases-unsolved-article-1.1566572
In NYC, murders are down…

19. …as are deaths and injuries of NYPD officers
https://public.tableau.com/profile/sarah.ryley#!/vizhome/NYPDOfficerInjuriesandFatalities/Dashboard1

20. …but officer-involved fatalities are not
https://public.tableau.com/profile/sarah.ryley#!/vizhome/NYPDdeaths/Dashboard1

22. http://tableaupicasso.com/militarization-of-police/

23. http://mappingpoliceviolence.org/nationaltrends/

24. Q: Why the spike in search for ‘civil forfeiture’ in Oct 2014?
https://www.google.com/trends/explore#q=%22civil%20forfeiture%22&geo=US&cmpt=q&tz=Etc%2FGMT%2B7

25. https://www.youtube.com/watch?v=3kEpZWGgJks
A: Last Week Tonight with John Oliver, Oct 5 2014

26. more examples

27. https://public.tableau.com/profile/liamboltonuk#!/vizhome/MappingLondonsCrimeRates/Dashboard1

28. https://public.tableau.com/profile/shine.pulikathara#!/vizhome/50YearsofCrime/USCrimeDashboard

29. http://public.tableau.com/profile/jeffs8297#!/vizhome/ACincinnatiCrimeVisualization/StartPage

30. http://old.seattletimes.com/flatpages/local/bicyclecollisionsinseattle.html

31. http://old.seattletimes.com/flatpages/local/interactivelicenseplatemap.html

32. Data Workshop:
1. Seattle PD 911 Responses
2. Visualizing Survey Responses

34. https://data.seattle.gov/Public-Safety/Seattle-Police-Department-911-Incident-Response/3k2p-39jp

37. http://www.huffingtonpost.com/2015/04/22/law-enforcement-trust-poll_n_7118634.html

38. Using http://www.vischeck.com/

39. How much do you trust these law enforcement agencies?
pct of respondents who say they trust…
Horizontal stacked bars instead of vertical side-by-side

40. How much do you trust these law enforcement agencies?
pct of respondents who say they trust…
Positive Responses > 0, Negative Responses < 0

41. How much do you trust these law enforcement agencies?
pct of respondents who say they trust…
Change to color scheme that isn’t politically charged

42. For more survey tips, see:
http://www.datarevelations.com/visualizing-survey-data