Frequencies for first 10,000 rows of dr_cf3 variable in vehicle dataset :

     Driver |
    Related |
   Factor 3 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,812       78.12       78.12
          1 |         30        0.30       78.42
          2 |          4        0.04       78.46
          3 |          9        0.09       78.55
          4 |         16        0.16       78.71
          5 |        127        1.27       79.98
          6 |        163        1.63       81.61
          9 |          1        0.01       81.62
         10 |          1        0.01       81.63
         11 |          7        0.07       81.70
         12 |          3        0.03       81.73
         21 |          9        0.09       81.82
         23 |          9        0.09       81.91
         24 |         55        0.55       82.46
         26 |         10        0.10       82.56
         27 |         23        0.23       82.79
         28 |        310        3.10       85.89
         29 |          8        0.08       85.97
         30 |         15        0.15       86.12
         33 |         20        0.20       86.32
         34 |          3        0.03       86.35
         35 |         15        0.15       86.50
         36 |         61        0.61       87.11
         37 |         18        0.18       87.29
         38 |         32        0.32       87.61
         39 |         53        0.53       88.14
         40 |          3        0.03       88.17
         41 |         20        0.20       88.37
         42 |          3        0.03       88.40
         44 |        282        2.82       91.22
         48 |        152        1.52       92.74
         49 |          1        0.01       92.75
         51 |         10        0.10       92.85
         52 |         17        0.17       93.02
         53 |         24        0.24       93.26
         54 |          2        0.02       93.28
         55 |          3        0.03       93.31
         56 |          1        0.01       93.32
         58 |        175        1.75       95.07
         59 |          1        0.01       95.08
         61 |         14        0.14       95.22
         62 |          5        0.05       95.27
         63 |          7        0.07       95.34
         65 |          6        0.06       95.40
         66 |          3        0.03       95.43
         67 |          6        0.06       95.49
         75 |          4        0.04       95.53
         76 |          2        0.02       95.55
         79 |         21        0.21       95.76
         80 |         21        0.21       95.97
         81 |          1        0.01       95.98
         82 |          2        0.02       96.00
         83 |          1        0.01       96.01
         84 |         14        0.14       96.15
         85 |          1        0.01       96.16
         87 |         14        0.14       96.30
         90 |         43        0.43       96.73
         91 |        190        1.90       98.63
         92 |          1        0.01       98.64
         99 |        136        1.36      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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