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

  VIOLATION |
   CHARGE 1 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,854       88.54       88.54
          1 |        192        1.92       90.46
          2 |         13        0.13       90.59
          3 |          8        0.08       90.67
          4 |        121        1.21       91.88
          5 |          3        0.03       91.91
          6 |          3        0.03       91.94
          7 |         33        0.33       92.27
          8 |         12        0.12       92.39
          9 |          4        0.04       92.43
         11 |        252        2.52       94.95
         12 |          2        0.02       94.97
         19 |          2        0.02       94.99
         21 |          1        0.01       95.00
         22 |          8        0.08       95.08
         23 |         28        0.28       95.36
         25 |          1        0.01       95.37
         26 |          1        0.01       95.38
         31 |         17        0.17       95.55
         37 |         21        0.21       95.76
         38 |          1        0.01       95.77
         39 |          3        0.03       95.80
         41 |          2        0.02       95.82
         42 |         19        0.19       96.01
         45 |          1        0.01       96.02
         46 |         83        0.83       96.85
         48 |          1        0.01       96.86
         49 |          1        0.01       96.87
         51 |          1        0.01       96.88
         52 |          8        0.08       96.96
         53 |          5        0.05       97.01
         54 |          1        0.01       97.02
         58 |          1        0.01       97.03
         59 |          1        0.01       97.04
         61 |         11        0.11       97.15
         69 |          4        0.04       97.19
         71 |         12        0.12       97.31
         72 |         29        0.29       97.60
         75 |         17        0.17       97.77
         76 |         16        0.16       97.93
         79 |          3        0.03       97.96
         81 |          1        0.01       97.97
         83 |          3        0.03       98.00
         89 |          3        0.03       98.03
         93 |          2        0.02       98.05
         98 |          1        0.01       98.06
         99 |        153        1.53       99.59
          . |         41        0.41      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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