Frequencies for first 10,000 rows of violchg3 variable in vehicle dataset :

  VIOLATION |
   CHARGE 3 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,668       96.68       96.68
          1 |         14        0.14       96.82
          2 |         15        0.15       96.97
          3 |          2        0.02       96.99
          4 |          2        0.02       97.01
          7 |          9        0.09       97.10
          9 |          1        0.01       97.11
         11 |         15        0.15       97.26
         12 |          2        0.02       97.28
         15 |          3        0.03       97.31
         18 |          1        0.01       97.32
         21 |          2        0.02       97.34
         22 |         12        0.12       97.46
         23 |          3        0.03       97.49
         31 |          3        0.03       97.52
         35 |          1        0.01       97.53
         37 |          3        0.03       97.56
         38 |          1        0.01       97.57
         42 |          1        0.01       97.58
         46 |          4        0.04       97.62
         52 |          2        0.02       97.64
         53 |          1        0.01       97.65
         59 |          1        0.01       97.66
         61 |          2        0.02       97.68
         69 |          3        0.03       97.71
         71 |          8        0.08       97.79
         72 |         13        0.13       97.92
         74 |          2        0.02       97.94
         76 |          3        0.03       97.97
         79 |          1        0.01       97.98
         82 |          1        0.01       97.99
         83 |          3        0.03       98.02
         89 |          1        0.01       98.03
         92 |          1        0.01       98.04
         98 |          2        0.02       98.06
         99 |        153        1.53       99.59
          . |         41        0.41      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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