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

  VIOLATION |
   CHARGE 2 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,445       94.45       94.45
          1 |         27        0.27       94.72
          2 |         13        0.13       94.85
          3 |          3        0.03       94.88
          4 |          2        0.02       94.90
          5 |          4        0.04       94.94
          7 |         28        0.28       95.22
          8 |          2        0.02       95.24
          9 |          2        0.02       95.26
         11 |         58        0.58       95.84
         15 |          1        0.01       95.85
         16 |          1        0.01       95.86
         18 |          1        0.01       95.87
         21 |          1        0.01       95.88
         22 |          5        0.05       95.93
         23 |         14        0.14       96.07
         31 |          7        0.07       96.14
         37 |          5        0.05       96.19
         39 |          1        0.01       96.20
         42 |          7        0.07       96.27
         43 |          1        0.01       96.28
         46 |          9        0.09       96.37
         51 |          1        0.01       96.38
         52 |          6        0.06       96.44
         53 |          1        0.01       96.45
         58 |          1        0.01       96.46
         61 |          3        0.03       96.49
         69 |          1        0.01       96.50
         71 |         12        0.12       96.62
         72 |          9        0.09       96.71
         73 |          3        0.03       96.74
         74 |          5        0.05       96.79
         75 |          4        0.04       96.83
         76 |         19        0.19       97.02
         79 |          4        0.04       97.06
         81 |          1        0.01       97.07
         82 |          1        0.01       97.08
         83 |         15        0.15       97.23
         89 |          4        0.04       97.27
         99 |        221        2.21       99.48
          . |         52        0.52      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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