The document analyzes tipping behaviors of NYC taxi passengers using taxi trip data from 2013. It finds that the average tip percentage was around 15.5%, with tips ranging from $0 to $900. Certain factors like weather, holidays, times of day, and neighborhoods were examined to see if they correlated with higher or lower tip amounts. Higher tips were generally given on rainy days, snowy days, Friday/Saturday nights after 9pm, and during holidays like Christmas and Thanksgiving. Neighborhoods in Manhattan tended to have the highest average tip percentages.

1. Team Meyer 538
ChangHoon Hahn, Nityasri Mandyam, Kilian Walsh
(New York University CCPP)
Big Data
May 11, 2015
NYC Taxis
How do we tip?

4. How much do people tip cab drivers?

5. How much do people tip cab drivers?
Who the heck tips 30%?

6. How much do people tip cab drivers?
Who the heck tips 30%?
Do we tip more when it rains?

7. How much do people tip cab drivers?
Who the heck tips 30%?
Do we tip more when it rains?
When it snows?

8. How much do people tip cab drivers?
Who the heck tips 30%?
Do we tip more when it rains?
When it snows?
During a hurricane?

9. How much do people tip cab drivers?
Who the heck tips 30%?
Do we tip more when it rains?
When it snows?
During a hurricane?
Do we tip less at night?

10. How much do people tip cab drivers?
Who the heck tips 30%?
Do we tip more when it rains?
When it snows?
During a hurricane?
Do we tip less at night?
late night?

11. How much do people tip cab drivers?
Who the heck tips 30%?
Do we tip more when it rains?
When it snows?
During a hurricane?
Do we tip less at night?
late night?
…drunken nights?

12. How much do people tip cab drivers?
Who the heck tips 30%?
Do we tip more when it rains?
When it snows?
During a hurricane?
Do we tip less at night?
late night?
…drunken nights?
Which neighborhoods
tip the most?

13. Tipping at a Glance
Tips in 2013 ranged from $0.00 to $900.00 … so we look at:
Total Revenue = Fare + Toll + Surcharge
Tip Percentage = Tip / Total Revenue

14. Tipping at a Glance
Tips in 2013 ranged from $0.00 to $900.00 … so we look at:
Total Revenue = Fare + Toll + Surcharge
Tip Percentage = Tip / Total Revenue

15. Tipping at a Glance
Tips in 2013 ranged from $0.00 to $900.00 … so we look at:
Total Revenue = Fare + Toll + Surcharge
Tip Percentage = Tip / Total Revenue
Average tip % ~15.5%
Maximum tip % ~ 94%

16. Tipping at a Glance
Tips in 2013 ranged from $0.00 to $900.00 … so we look at:
Total Revenue = Fare + Toll + Surcharge
Tip Percentage = Tip / Total Revenue
Average tip % ~15.5%
Maximum tip % ~ 94%
Who the heck tips 30%?

17. Tipping at a Glance
Tips in 2013 ranged from $0.00 to $900.00 … so we look at:
Total Revenue = Fare + Toll + Surcharge
Tip Percentage = Tip / Total Revenue
Average tip % ~15.5%
Maximum tip % ~ 94%
These people
Who the heck tips 30%?

18. Tipping with Time

19. Tipping with Time

20. Tipping with Time

21. Tipping with Time

22. Tipping with Time
Friday and Saturday
after 9 pm

23. We tip less when
we’re drunk!
Tipping with Time
Friday and Saturday
after 9 pm

24. Holiday Generosity?
Valentine’s day?

25. Holiday Generosity?
Thanksgiving?

26. Holiday Generosity?
Christmas!

27. How does weather affect our
tipping?

28. How does weather affect our
tipping?
On rainy days

29. How does weather affect our
tipping?
On rainy days

30. How does weather affect our
tipping?
On rainy days

31. How does weather affect our
tipping?
On veryrainy days

32. How does weather affect our
tipping?
On veryrainy days

33. How does weather affect our
tipping?
On veryrainy days

34. How does weather affect our
tipping?
On snowydays

35. How does weather affect our
tipping?
On snowydays

36. How does weather affect our
tipping?
On snowydays

37. How we tip during
extreme conditions

38. 2011 North American Blizzard

39. 2011 North American Blizzard

40. 2011 Hurricane Irene

41. 2011 Hurricane Irene

42. 2012 Hurricane Sandy

43. 2012 Hurricane Sandy

44. 2013 Superstorm Nemo

45. 2013 Superstorm Nemo

46. NYC Census Tracts

47. Polygon Centroid Nearest
Neighbor Search with KD Tree

48. Tract based Tipping Trends