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

  VIOLATION |
   CHARGE 3 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,751       97.51       97.51
          2 |          2        0.02       97.53
          4 |          1        0.01       97.54
          7 |          4        0.04       97.58
          8 |          1        0.01       97.59
         11 |         11        0.11       97.70
         12 |          2        0.02       97.72
         13 |          1        0.01       97.73
         15 |          2        0.02       97.75
         22 |          1        0.01       97.76
         23 |          1        0.01       97.77
         39 |          1        0.01       97.78
         42 |          2        0.02       97.80
         46 |          4        0.04       97.84
         52 |          1        0.01       97.85
         53 |          1        0.01       97.86
         71 |          3        0.03       97.89
         72 |          4        0.04       97.93
         75 |          1        0.01       97.94
         76 |         17        0.17       98.11
         79 |          1        0.01       98.12
         83 |          4        0.04       98.16
         92 |          1        0.01       98.17
         98 |          2        0.02       98.19
         99 |        129        1.29       99.48
          . |         52        0.52      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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