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

  VIOLATION |
   CHARGE 2 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,537       95.37       95.37
          1 |         17        0.17       95.54
          2 |         31        0.31       95.85
          4 |          5        0.05       95.90
          5 |          3        0.03       95.93
          7 |         34        0.34       96.27
          8 |          2        0.02       96.29
         11 |         86        0.86       97.15
         12 |          5        0.05       97.20
         15 |          3        0.03       97.23
         18 |          2        0.02       97.25
         21 |          1        0.01       97.26
         22 |          2        0.02       97.28
         23 |          6        0.06       97.34
         31 |          8        0.08       97.42
         37 |          2        0.02       97.44
         42 |          5        0.05       97.49
         46 |          5        0.05       97.54
         52 |          8        0.08       97.62
         53 |          2        0.02       97.64
         61 |          2        0.02       97.66
         62 |          1        0.01       97.67
         71 |         11        0.11       97.78
         72 |         10        0.10       97.88
         74 |          1        0.01       97.89
         75 |          1        0.01       97.90
         76 |         15        0.15       98.05
         79 |          4        0.04       98.09
         81 |          1        0.01       98.10
         82 |          1        0.01       98.11
         83 |          6        0.06       98.17
         84 |          1        0.01       98.18
         89 |          1        0.01       98.19
         98 |          1        0.01       98.20
         99 |        128        1.28       99.48
          . |         52        0.52      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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