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

    RELATED |
   FACTOR 3 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,950       79.50       79.50
          1 |         20        0.20       79.70
          2 |          2        0.02       79.72
          3 |          3        0.03       79.75
          6 |         62        0.62       80.37
         12 |          1        0.01       80.38
         18 |          1        0.01       80.39
         21 |          9        0.09       80.48
         23 |         11        0.11       80.59
         24 |         39        0.39       80.98
         26 |          2        0.02       81.00
         27 |         16        0.16       81.16
         28 |        220        2.20       83.36
         29 |          8        0.08       83.44
         30 |          4        0.04       83.48
         31 |          4        0.04       83.52
         33 |         11        0.11       83.63
         34 |          2        0.02       83.65
         35 |         11        0.11       83.76
         36 |         50        0.50       84.26
         37 |         13        0.13       84.39
         38 |         23        0.23       84.62
         39 |         41        0.41       85.03
         40 |          1        0.01       85.04
         41 |         10        0.10       85.14
         42 |          1        0.01       85.15
         44 |        267        2.67       87.82
         45 |          1        0.01       87.83
         48 |        225        2.25       90.08
         49 |          3        0.03       90.11
         51 |         18        0.18       90.29
         52 |         17        0.17       90.46
         53 |         24        0.24       90.70
         54 |          2        0.02       90.72
         55 |          5        0.05       90.77
         56 |          1        0.01       90.78
         57 |         16        0.16       90.94
         58 |        219        2.19       93.13
         61 |          8        0.08       93.21
         62 |         13        0.13       93.34
         63 |          8        0.08       93.42
         65 |          3        0.03       93.45
         66 |          4        0.04       93.49
         68 |          1        0.01       93.50
         69 |          2        0.02       93.52
         70 |          1        0.01       93.53
         71 |          2        0.02       93.55
         75 |          1        0.01       93.56
         76 |          1        0.01       93.57
         79 |          5        0.05       93.62
         80 |         10        0.10       93.72
         81 |          3        0.03       93.75
         82 |          1        0.01       93.76
         83 |          3        0.03       93.79
         84 |         17        0.17       93.96
         85 |          1        0.01       93.97
         86 |          2        0.02       93.99
         87 |         48        0.48       94.47
         90 |         51        0.51       94.98
         91 |        222        2.22       97.20
         92 |          6        0.06       97.26
         93 |          1        0.01       97.27
         99 |        273        2.73      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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