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

  VIOLATION |
   CHARGE 1 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,044       90.44       90.44
          1 |         72        0.72       91.16
          2 |          9        0.09       91.25
          3 |          2        0.02       91.27
          4 |         18        0.18       91.45
          5 |          2        0.02       91.47
          7 |         23        0.23       91.70
          8 |          3        0.03       91.73
          9 |          6        0.06       91.79
         11 |        331        3.31       95.10
         12 |          8        0.08       95.18
         13 |          1        0.01       95.19
         15 |          1        0.01       95.20
         16 |          1        0.01       95.21
         18 |          1        0.01       95.22
         19 |          1        0.01       95.23
         21 |          2        0.02       95.25
         22 |         16        0.16       95.41
         23 |         32        0.32       95.73
         31 |         22        0.22       95.95
         35 |          2        0.02       95.97
         37 |         30        0.30       96.27
         38 |          1        0.01       96.28
         39 |          3        0.03       96.31
         42 |         36        0.36       96.67
         43 |          1        0.01       96.68
         46 |         64        0.64       97.32
         49 |          1        0.01       97.33
         51 |          1        0.01       97.34
         52 |         19        0.19       97.53
         53 |          4        0.04       97.57
         54 |          1        0.01       97.58
         58 |          4        0.04       97.62
         59 |          1        0.01       97.63
         61 |          4        0.04       97.67
         69 |          1        0.01       97.68
         71 |         10        0.10       97.78
         72 |         19        0.19       97.97
         73 |          1        0.01       97.98
         74 |          3        0.03       98.01
         75 |          6        0.06       98.07
         76 |         22        0.22       98.29
         81 |          4        0.04       98.33
         83 |          3        0.03       98.36
         86 |          1        0.01       98.37
         89 |          3        0.03       98.40
         93 |          1        0.01       98.41
         98 |          2        0.02       98.43
         99 |         92        0.92       99.35
          . |         65        0.65      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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