Frequencies for first 10,000 rows of cf1 variable in accident dataset :

    related |
factors (1) |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,432       94.32       94.32
          2 |         10        0.10       94.42
          3 |         19        0.19       94.61
          4 |         16        0.16       94.77
          5 |          3        0.03       94.80
          6 |          3        0.03       94.83
          7 |          1        0.01       94.84
         13 |          3        0.03       94.87
         14 |        185        1.85       96.72
         15 |         13        0.13       96.85
         16 |         22        0.22       97.07
         18 |         17        0.17       97.24
         19 |        103        1.03       98.27
         20 |         96        0.96       99.23
         21 |          3        0.03       99.26
         23 |         56        0.56       99.82
         24 |          1        0.01       99.83
         25 |          3        0.03       99.86
         99 |         14        0.14      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 22 Oct 2016