Frequencies for first 10,000 rows of violchg1 variable in vehicle dataset :

  VIOLATION |
   CHARGE 1 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,724       87.24       87.24
          1 |        186        1.86       89.10
          2 |         10        0.10       89.20
          3 |          3        0.03       89.23
          4 |        110        1.10       90.33
          5 |          1        0.01       90.34
          7 |         42        0.42       90.76
          8 |          1        0.01       90.77
          9 |          6        0.06       90.83
         11 |        276        2.76       93.59
         12 |          4        0.04       93.63
         16 |          1        0.01       93.64
         18 |          1        0.01       93.65
         19 |          4        0.04       93.69
         22 |          8        0.08       93.77
         23 |         47        0.47       94.24
         29 |          1        0.01       94.25
         31 |         23        0.23       94.48
         35 |          1        0.01       94.49
         37 |         22        0.22       94.71
         38 |          2        0.02       94.73
         39 |          2        0.02       94.75
         41 |          1        0.01       94.76
         42 |         37        0.37       95.13
         43 |          1        0.01       95.14
         46 |         72        0.72       95.86
         49 |          3        0.03       95.89
         52 |         24        0.24       96.13
         53 |          2        0.02       96.15
         54 |          3        0.03       96.18
         58 |          3        0.03       96.21
         59 |          1        0.01       96.22
         61 |         13        0.13       96.35
         63 |          1        0.01       96.36
         71 |         16        0.16       96.52
         72 |         16        0.16       96.68
         73 |          6        0.06       96.74
         74 |          6        0.06       96.80
         75 |          6        0.06       96.86
         76 |         21        0.21       97.07
         79 |          7        0.07       97.14
         81 |          2        0.02       97.16
         82 |          2        0.02       97.18
         83 |          4        0.04       97.22
         86 |          2        0.02       97.24
         89 |          3        0.03       97.27
         98 |          5        0.05       97.32
         99 |        216        2.16       99.48
          . |         52        0.52      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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