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

    RELATED |
   FACTOR 1 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      3,344       33.44       33.44
          1 |        100        1.00       34.44
          2 |         48        0.48       34.92
          3 |         11        0.11       35.03
          5 |      1,228       12.28       47.31
          6 |        435        4.35       51.66
          7 |          1        0.01       51.67
          8 |          6        0.06       51.73
          9 |          2        0.02       51.75
         11 |          6        0.06       51.81
         12 |          5        0.05       51.86
         15 |          3        0.03       51.89
         16 |         15        0.15       52.04
         18 |          5        0.05       52.09
         20 |         45        0.45       52.54
         21 |         10        0.10       52.64
         23 |          2        0.02       52.66
         24 |         52        0.52       53.18
         26 |         33        0.33       53.51
         27 |         66        0.66       54.17
         28 |        822        8.22       62.39
         29 |          2        0.02       62.41
         30 |          1        0.01       62.42
         31 |         23        0.23       62.65
         32 |          1        0.01       62.66
         33 |         20        0.20       62.86
         34 |          3        0.03       62.89
         35 |         25        0.25       63.14
         36 |         18        0.18       63.32
         37 |         18        0.18       63.50
         38 |        520        5.20       68.70
         39 |        221        2.21       70.91
         40 |          1        0.01       70.92
         42 |          2        0.02       70.94
         43 |        682        6.82       77.76
         44 |        451        4.51       82.27
         45 |          4        0.04       82.31
         46 |          4        0.04       82.35
         48 |        451        4.51       86.86
         50 |          1        0.01       86.87
         51 |         45        0.45       87.32
         52 |          3        0.03       87.35
         53 |          4        0.04       87.39
         54 |         18        0.18       87.57
         57 |         17        0.17       87.74
         58 |         61        0.61       88.35
         61 |         30        0.30       88.65
         62 |         10        0.10       88.75
         63 |          7        0.07       88.82
         64 |          1        0.01       88.83
         65 |          9        0.09       88.92
         66 |         10        0.10       89.02
         67 |          3        0.03       89.05
         73 |         14        0.14       89.19
         74 |          2        0.02       89.21
         79 |          3        0.03       89.24
         80 |         28        0.28       89.52
         81 |          5        0.05       89.57
         83 |         11        0.11       89.68
         84 |         20        0.20       89.88
         85 |         15        0.15       90.03
         86 |          3        0.03       90.06
         87 |         14        0.14       90.20
         88 |          2        0.02       90.22
         89 |         35        0.35       90.57
         90 |        249        2.49       93.06
         91 |         10        0.10       93.16
         92 |        394        3.94       97.10
         93 |         26        0.26       97.36
         94 |         10        0.10       97.46
         95 |          1        0.01       97.47
         96 |          1        0.01       97.48
         98 |          4        0.04       97.52
         99 |        248        2.48      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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