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

    RELATED |
   FACTOR 1 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      3,356       33.56       33.56
          1 |        219        2.19       35.75
          2 |         85        0.85       36.60
          3 |         34        0.34       36.94
          4 |          3        0.03       36.97
          6 |        364        3.64       40.61
          7 |          1        0.01       40.62
          9 |          3        0.03       40.65
         11 |         18        0.18       40.83
         12 |          2        0.02       40.85
         13 |          1        0.01       40.86
         18 |          2        0.02       40.88
         19 |          3        0.03       40.91
         20 |         40        0.40       41.31
         21 |         23        0.23       41.54
         22 |          7        0.07       41.61
         23 |         12        0.12       41.73
         24 |        159        1.59       43.32
         25 |          2        0.02       43.34
         26 |         62        0.62       43.96
         27 |         82        0.82       44.78
         28 |      1,902       19.02       63.80
         29 |          8        0.08       63.88
         30 |          5        0.05       63.93
         31 |         21        0.21       64.14
         33 |         32        0.32       64.46
         34 |          1        0.01       64.47
         35 |         40        0.40       64.87
         36 |         34        0.34       65.21
         37 |         12        0.12       65.33
         38 |        623        6.23       71.56
         39 |        338        3.38       74.94
         41 |          6        0.06       75.00
         42 |          3        0.03       75.03
         44 |      1,237       12.37       87.40
         45 |          3        0.03       87.43
         46 |         12        0.12       87.55
         47 |          4        0.04       87.59
         48 |        133        1.33       88.92
         49 |          2        0.02       88.94
         50 |          3        0.03       88.97
         51 |        164        1.64       90.61
         52 |         10        0.10       90.71
         53 |         18        0.18       90.89
         54 |         30        0.30       91.19
         57 |         60        0.60       91.79
         58 |         15        0.15       91.94
         61 |         29        0.29       92.23
         62 |         37        0.37       92.60
         63 |         13        0.13       92.73
         64 |          2        0.02       92.75
         65 |         11        0.11       92.86
         66 |         38        0.38       93.24
         67 |          9        0.09       93.33
         69 |          1        0.01       93.34
         71 |         13        0.13       93.47
         72 |          1        0.01       93.48
         76 |          2        0.02       93.50
         77 |          1        0.01       93.51
         79 |          1        0.01       93.52
         80 |         29        0.29       93.81
         81 |          6        0.06       93.87
         83 |          3        0.03       93.90
         84 |         44        0.44       94.34
         85 |          6        0.06       94.40
         86 |         12        0.12       94.52
         87 |         12        0.12       94.64
         90 |        220        2.20       96.84
         91 |         35        0.35       97.19
         92 |         63        0.63       97.82
         99 |        218        2.18      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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