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

    RELATED |
   FACTOR 3 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,910       79.10       79.10
          1 |         13        0.13       79.23
          2 |          6        0.06       79.29
          3 |          4        0.04       79.33
          4 |          2        0.02       79.35
          5 |         62        0.62       79.97
          6 |         52        0.52       80.49
          9 |          1        0.01       80.50
         11 |          4        0.04       80.54
         16 |          1        0.01       80.55
         21 |          5        0.05       80.60
         23 |          2        0.02       80.62
         24 |         19        0.19       80.81
         26 |          4        0.04       80.85
         27 |         12        0.12       80.97
         28 |        335        3.35       84.32
         29 |          4        0.04       84.36
         30 |          1        0.01       84.37
         31 |          1        0.01       84.38
         33 |         11        0.11       84.49
         34 |          1        0.01       84.50
         35 |          9        0.09       84.59
         36 |         17        0.17       84.76
         37 |         11        0.11       84.87
         38 |         18        0.18       85.05
         39 |         48        0.48       85.53
         41 |          1        0.01       85.54
         44 |        324        3.24       88.78
         46 |         12        0.12       88.90
         48 |        203        2.03       90.93
         50 |          2        0.02       90.95
         51 |         21        0.21       91.16
         52 |         19        0.19       91.35
         53 |         24        0.24       91.59
         54 |          1        0.01       91.60
         55 |          1        0.01       91.61
         57 |         15        0.15       91.76
         58 |        128        1.28       93.04
         61 |         10        0.10       93.14
         62 |          5        0.05       93.19
         63 |         13        0.13       93.32
         65 |          2        0.02       93.34
         66 |          2        0.02       93.36
         67 |          1        0.01       93.37
         73 |         19        0.19       93.56
         74 |          9        0.09       93.65
         77 |          1        0.01       93.66
         79 |          7        0.07       93.73
         80 |          5        0.05       93.78
         81 |          3        0.03       93.81
         83 |          4        0.04       93.85
         84 |         11        0.11       93.96
         85 |          8        0.08       94.04
         86 |          1        0.01       94.05
         87 |         25        0.25       94.30
         89 |          1        0.01       94.31
         90 |         50        0.50       94.81
         91 |         17        0.17       94.98
         92 |        176        1.76       96.74
         93 |         17        0.17       96.91
         94 |         11        0.11       97.02
         95 |          1        0.01       97.03
         99 |        297        2.97      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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