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

    RELATED |
   FACTOR 4 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,105       91.05       91.05
          1 |          4        0.04       91.09
          2 |          3        0.03       91.12
          3 |          3        0.03       91.15
          5 |         42        0.42       91.57
          6 |          7        0.07       91.64
         11 |          1        0.01       91.65
         21 |          1        0.01       91.66
         23 |          3        0.03       91.69
         24 |         10        0.10       91.79
         26 |          1        0.01       91.80
         27 |          4        0.04       91.84
         28 |         86        0.86       92.70
         31 |          1        0.01       92.71
         34 |          1        0.01       92.72
         35 |          2        0.02       92.74
         36 |         21        0.21       92.95
         37 |          3        0.03       92.98
         38 |          1        0.01       92.99
         39 |          8        0.08       93.07
         44 |         46        0.46       93.53
         45 |          1        0.01       93.54
         46 |          5        0.05       93.59
         48 |         54        0.54       94.13
         51 |          4        0.04       94.17
         52 |          6        0.06       94.23
         53 |          7        0.07       94.30
         57 |         16        0.16       94.46
         58 |         73        0.73       95.19
         61 |          9        0.09       95.28
         63 |          6        0.06       95.34
         64 |          1        0.01       95.35
         67 |          1        0.01       95.36
         73 |         12        0.12       95.48
         74 |          2        0.02       95.50
         79 |          3        0.03       95.53
         80 |          6        0.06       95.59
         81 |          4        0.04       95.63
         82 |          1        0.01       95.64
         84 |          5        0.05       95.69
         87 |          5        0.05       95.74
         88 |          1        0.01       95.75
         89 |          7        0.07       95.82
         90 |         21        0.21       96.03
         91 |         55        0.55       96.58
         92 |         61        0.61       97.19
         93 |         22        0.22       97.41
         94 |          5        0.05       97.46
         99 |        254        2.54      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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