Frequencies for first 10,000 rows of dr_cf1 variable in vehicle dataset :

    RELATED |
   FACTOR 1 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      3,461       34.61       34.61
          1 |        232        2.32       36.93
          2 |         67        0.67       37.60
          3 |         17        0.17       37.77
          4 |          3        0.03       37.80
          6 |        285        2.85       40.65
          7 |          3        0.03       40.68
          9 |          3        0.03       40.71
         11 |          3        0.03       40.74
         14 |          1        0.01       40.75
         19 |          1        0.01       40.76
         20 |         64        0.64       41.40
         21 |          8        0.08       41.48
         22 |         13        0.13       41.61
         23 |         12        0.12       41.73
         24 |         78        0.78       42.51
         25 |          1        0.01       42.52
         26 |         58        0.58       43.10
         27 |         66        0.66       43.76
         28 |      1,744       17.44       61.20
         29 |          8        0.08       61.28
         30 |          2        0.02       61.30
         31 |         16        0.16       61.46
         33 |         19        0.19       61.65
         34 |          4        0.04       61.69
         35 |         49        0.49       62.18
         36 |         38        0.38       62.56
         37 |         20        0.20       62.76
         38 |        628        6.28       69.04
         39 |        343        3.43       72.47
         41 |          6        0.06       72.53
         42 |          4        0.04       72.57
         44 |      1,370       13.70       86.27
         45 |          5        0.05       86.32
         47 |          4        0.04       86.36
         48 |        297        2.97       89.33
         50 |          8        0.08       89.41
         51 |        118        1.18       90.59
         52 |          7        0.07       90.66
         53 |          6        0.06       90.72
         54 |         17        0.17       90.89
         57 |         68        0.68       91.57
         58 |         27        0.27       91.84
         59 |          3        0.03       91.87
         61 |         17        0.17       92.04
         62 |         22        0.22       92.26
         63 |         15        0.15       92.41
         64 |          3        0.03       92.44
         65 |          9        0.09       92.53
         66 |         42        0.42       92.95
         67 |          5        0.05       93.00
         68 |          1        0.01       93.01
         70 |          2        0.02       93.03
         71 |          3        0.03       93.06
         75 |          1        0.01       93.07
         76 |          3        0.03       93.10
         77 |          1        0.01       93.11
         79 |          1        0.01       93.12
         80 |         17        0.17       93.29
         81 |          5        0.05       93.34
         82 |          2        0.02       93.36
         83 |         10        0.10       93.46
         84 |         16        0.16       93.62
         85 |         13        0.13       93.75
         86 |          2        0.02       93.77
         87 |         22        0.22       93.99
         90 |        230        2.30       96.29
         91 |         71        0.71       97.00
         92 |         50        0.50       97.50
         98 |          2        0.02       97.52
         99 |        248        2.48      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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