Frequencies for first 10,000 rows of violchg2 variable in vehicle dataset :

  VIOLATION |
   CHARGE 2 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,665       96.65       96.65
          1 |         13        0.13       96.78
          2 |         34        0.34       97.12
          3 |          3        0.03       97.15
          4 |          7        0.07       97.22
          5 |          3        0.03       97.25
          7 |         12        0.12       97.37
          8 |          3        0.03       97.40
          9 |          5        0.05       97.45
         11 |         21        0.21       97.66
         12 |          3        0.03       97.69
         15 |          2        0.02       97.71
         19 |          1        0.01       97.72
         21 |          1        0.01       97.73
         22 |          8        0.08       97.81
         23 |          3        0.03       97.84
         31 |          9        0.09       97.93
         37 |          3        0.03       97.96
         42 |          4        0.04       98.00
         46 |         10        0.10       98.10
         51 |          1        0.01       98.11
         52 |          4        0.04       98.15
         53 |          2        0.02       98.17
         58 |          1        0.01       98.18
         61 |          1        0.01       98.19
         69 |          1        0.01       98.20
         71 |          8        0.08       98.28
         72 |          9        0.09       98.37
         74 |          4        0.04       98.41
         75 |          4        0.04       98.45
         76 |         14        0.14       98.59
         79 |          1        0.01       98.60
         82 |          1        0.01       98.61
         83 |          8        0.08       98.69
         98 |          1        0.01       98.70
         99 |         83        0.83       99.53
          . |         47        0.47      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 18 Apr 2016