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

    RELATED |
   FACTOR 1 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      4,029       40.29       40.29
          1 |         93        0.93       41.22
          2 |         46        0.46       41.68
          3 |          9        0.09       41.77
          5 |      1,295       12.95       54.72
          6 |        797        7.97       62.69
          7 |          1        0.01       62.70
          8 |         16        0.16       62.86
          9 |          1        0.01       62.87
         11 |         15        0.15       63.02
         12 |          2        0.02       63.04
         13 |          1        0.01       63.05
         15 |          2        0.02       63.07
         16 |         13        0.13       63.20
         18 |          3        0.03       63.23
         20 |         28        0.28       63.51
         21 |          7        0.07       63.58
         23 |          7        0.07       63.65
         24 |         72        0.72       64.37
         26 |         32        0.32       64.69
         27 |         90        0.90       65.59
         28 |        546        5.46       71.05
         29 |          1        0.01       71.06
         30 |          6        0.06       71.12
         31 |         14        0.14       71.26
         33 |         16        0.16       71.42
         34 |          5        0.05       71.47
         35 |         40        0.40       71.87
         36 |         30        0.30       72.17
         37 |         30        0.30       72.47
         38 |        550        5.50       77.97
         39 |        265        2.65       80.62
         40 |          1        0.01       80.63
         42 |          1        0.01       80.64
         45 |          4        0.04       80.68
         47 |          3        0.03       80.71
         48 |        547        5.47       86.18
         50 |          2        0.02       86.20
         51 |         58        0.58       86.78
         52 |         11        0.11       86.89
         53 |          5        0.05       86.94
         54 |         18        0.18       87.12
         57 |         16        0.16       87.28
         58 |         97        0.97       88.25
         59 |          2        0.02       88.27
         73 |         16        0.16       88.43
         74 |          9        0.09       88.52
         78 |          1        0.01       88.53
         79 |          1        0.01       88.54
         80 |         22        0.22       88.76
         81 |          9        0.09       88.85
         82 |          2        0.02       88.87
         83 |         15        0.15       89.02
         84 |         25        0.25       89.27
         85 |         25        0.25       89.52
         86 |         13        0.13       89.65
         87 |         43        0.43       90.08
         88 |          1        0.01       90.09
         89 |         82        0.82       90.91
         90 |         62        0.62       91.53
         91 |         16        0.16       91.69
         92 |        391        3.91       95.60
         93 |         92        0.92       96.52
         94 |          6        0.06       96.58
         95 |          1        0.01       96.59
         96 |          5        0.05       96.64
         97 |          1        0.01       96.65
         99 |        335        3.35      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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