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

    RELATED |
   FACTOR 4 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,148       91.48       91.48
          1 |          7        0.07       91.55
          2 |          3        0.03       91.58
          3 |          6        0.06       91.64
          4 |          2        0.02       91.66
          6 |          9        0.09       91.75
         11 |          1        0.01       91.76
         12 |          1        0.01       91.77
         13 |          1        0.01       91.78
         17 |         32        0.32       92.10
         21 |          2        0.02       92.12
         24 |         21        0.21       92.33
         27 |          2        0.02       92.35
         28 |         30        0.30       92.65
         29 |          2        0.02       92.67
         35 |          2        0.02       92.69
         36 |          9        0.09       92.78
         37 |          6        0.06       92.84
         38 |          2        0.02       92.86
         39 |          6        0.06       92.92
         44 |         43        0.43       93.35
         46 |          6        0.06       93.41
         48 |         74        0.74       94.15
         50 |          1        0.01       94.16
         51 |         11        0.11       94.27
         52 |          6        0.06       94.33
         53 |          6        0.06       94.39
         54 |          1        0.01       94.40
         55 |          1        0.01       94.41
         57 |         18        0.18       94.59
         58 |         82        0.82       95.41
         61 |          1        0.01       95.42
         63 |          1        0.01       95.43
         70 |          1        0.01       95.44
         71 |          1        0.01       95.45
         78 |          1        0.01       95.46
         79 |          3        0.03       95.49
         80 |         19        0.19       95.68
         81 |          2        0.02       95.70
         82 |          1        0.01       95.71
         83 |          1        0.01       95.72
         84 |         16        0.16       95.88
         85 |          4        0.04       95.92
         87 |         18        0.18       96.10
         90 |         17        0.17       96.27
         91 |        154        1.54       97.81
         92 |         10        0.10       97.91
         93 |          5        0.05       97.96
         99 |        204        2.04      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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