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

    RELATED |
   FACTOR 4 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,147       91.47       91.47
          1 |          3        0.03       91.50
          3 |          3        0.03       91.53
          5 |         13        0.13       91.66
          6 |         17        0.17       91.83
         12 |          1        0.01       91.84
         16 |          1        0.01       91.85
         18 |          1        0.01       91.86
         19 |          1        0.01       91.87
         23 |          1        0.01       91.88
         24 |         14        0.14       92.02
         26 |          2        0.02       92.04
         27 |          5        0.05       92.09
         28 |        106        1.06       93.15
         30 |          1        0.01       93.16
         33 |          5        0.05       93.21
         35 |          1        0.01       93.22
         36 |          8        0.08       93.30
         37 |         10        0.10       93.40
         38 |          3        0.03       93.43
         39 |          9        0.09       93.52
         44 |         69        0.69       94.21
         46 |          1        0.01       94.22
         48 |         54        0.54       94.76
         51 |          1        0.01       94.77
         52 |          3        0.03       94.80
         53 |          9        0.09       94.89
         54 |          1        0.01       94.90
         57 |          1        0.01       94.91
         58 |         65        0.65       95.56
         61 |          1        0.01       95.57
         63 |          1        0.01       95.58
         73 |          7        0.07       95.65
         74 |         10        0.10       95.75
         79 |          2        0.02       95.77
         80 |          4        0.04       95.81
         81 |          1        0.01       95.82
         84 |          1        0.01       95.83
         86 |          1        0.01       95.84
         87 |         10        0.10       95.94
         90 |         11        0.11       96.05
         91 |         19        0.19       96.24
         92 |         71        0.71       96.95
         93 |          4        0.04       96.99
         94 |          4        0.04       97.03
         99 |        297        2.97      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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