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

  VIOLATION |
   CHARGE 2 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,457       94.57       94.57
          1 |         45        0.45       95.02
          2 |         30        0.30       95.32
          3 |          1        0.01       95.33
          4 |         10        0.10       95.43
          5 |          1        0.01       95.44
          7 |         25        0.25       95.69
          8 |          2        0.02       95.71
          9 |         15        0.15       95.86
         11 |         84        0.84       96.70
         12 |          3        0.03       96.73
         15 |          4        0.04       96.77
         19 |          2        0.02       96.79
         21 |          1        0.01       96.80
         22 |         12        0.12       96.92
         23 |          4        0.04       96.96
         31 |         11        0.11       97.07
         37 |          3        0.03       97.10
         39 |          1        0.01       97.11
         41 |          1        0.01       97.12
         42 |          5        0.05       97.17
         43 |          1        0.01       97.18
         46 |          8        0.08       97.26
         49 |          1        0.01       97.27
         51 |          1        0.01       97.28
         52 |         10        0.10       97.38
         53 |          2        0.02       97.40
         69 |          6        0.06       97.46
         71 |          6        0.06       97.52
         72 |         22        0.22       97.74
         73 |          1        0.01       97.75
         74 |          3        0.03       97.78
         75 |          3        0.03       97.81
         76 |          7        0.07       97.88
         79 |          5        0.05       97.93
         81 |          1        0.01       97.94
         82 |          1        0.01       97.95
         83 |          6        0.06       98.01
         86 |          1        0.01       98.02
         89 |          4        0.04       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