Frequencies for first 10,000 rows of cf2 variable in accident dataset :

    Related |
Factors (2) |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,966       99.66       99.66
          3 |          1        0.01       99.67
          6 |          1        0.01       99.68
          7 |          1        0.01       99.69
         14 |          8        0.08       99.77
         15 |          2        0.02       99.79
         16 |          1        0.01       99.80
         19 |          3        0.03       99.83
         20 |          2        0.02       99.85
         22 |          1        0.01       99.86
         23 |          7        0.07       99.93
         99 |          7        0.07      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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