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

  VIOLATION |
   CHARGE 3 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,739       97.39       97.39
          1 |          2        0.02       97.41
          3 |          1        0.01       97.42
          4 |          1        0.01       97.43
          5 |          2        0.02       97.45
          7 |          5        0.05       97.50
          8 |          2        0.02       97.52
         11 |         16        0.16       97.68
         12 |          1        0.01       97.69
         15 |          1        0.01       97.70
         19 |          1        0.01       97.71
         22 |          4        0.04       97.75
         23 |          2        0.02       97.77
         31 |          3        0.03       97.80
         42 |          1        0.01       97.81
         46 |          1        0.01       97.82
         52 |          2        0.02       97.84
         71 |          5        0.05       97.89
         72 |          6        0.06       97.95
         74 |          2        0.02       97.97
         75 |          1        0.01       97.98
         76 |          9        0.09       98.07
         79 |          3        0.03       98.10
         83 |          5        0.05       98.15
         92 |          4        0.04       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