Frequencies for first 10,000 rows of dr_cf4 variable in vehicle dataset :

    RELATED |
   FACTOR 4 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,256       92.56       92.56
          1 |          1        0.01       92.57
          2 |          1        0.01       92.58
          3 |          1        0.01       92.59
          5 |         12        0.12       92.71
          6 |         14        0.14       92.85
         15 |          1        0.01       92.86
         16 |          1        0.01       92.87
         21 |          2        0.02       92.89
         24 |          7        0.07       92.96
         26 |          1        0.01       92.97
         27 |          4        0.04       93.01
         28 |         95        0.95       93.96
         29 |          3        0.03       93.99
         33 |          2        0.02       94.01
         34 |          1        0.01       94.02
         36 |          6        0.06       94.08
         37 |         11        0.11       94.19
         38 |          2        0.02       94.21
         39 |         11        0.11       94.32
         43 |         29        0.29       94.61
         44 |         30        0.30       94.91
         46 |          3        0.03       94.94
         48 |         16        0.16       95.10
         51 |          3        0.03       95.13
         52 |          8        0.08       95.21
         53 |          5        0.05       95.26
         57 |          2        0.02       95.28
         58 |         31        0.31       95.59
         61 |          3        0.03       95.62
         62 |          1        0.01       95.63
         73 |          9        0.09       95.72
         74 |          1        0.01       95.73
         80 |          1        0.01       95.74
         82 |          1        0.01       95.75
         83 |          2        0.02       95.77
         84 |          5        0.05       95.82
         85 |          2        0.02       95.84
         87 |         14        0.14       95.98
         89 |          7        0.07       96.05
         90 |         17        0.17       96.22
         91 |         32        0.32       96.54
         92 |         79        0.79       97.33
         93 |          8        0.08       97.41
         94 |          8        0.08       97.49
         96 |          1        0.01       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