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

    RELATED |
   FACTOR 3 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,987       79.87       79.87
          1 |         10        0.10       79.97
          2 |          6        0.06       80.03
          4 |          1        0.01       80.04
          6 |         23        0.23       80.27
          7 |          1        0.01       80.28
         11 |          2        0.02       80.30
         17 |        178        1.78       82.08
         18 |          1        0.01       82.09
         21 |          3        0.03       82.12
         22 |          1        0.01       82.13
         23 |          6        0.06       82.19
         24 |         28        0.28       82.47
         26 |          2        0.02       82.49
         27 |          9        0.09       82.58
         28 |        115        1.15       83.73
         29 |          4        0.04       83.77
         33 |          3        0.03       83.80
         34 |          4        0.04       83.84
         35 |         18        0.18       84.02
         36 |         41        0.41       84.43
         37 |         12        0.12       84.55
         38 |         15        0.15       84.70
         39 |         28        0.28       84.98
         40 |          3        0.03       85.01
         41 |          2        0.02       85.03
         44 |        319        3.19       88.22
         45 |          1        0.01       88.23
         46 |          9        0.09       88.32
         47 |          3        0.03       88.35
         48 |        270        2.70       91.05
         49 |          1        0.01       91.06
         50 |          1        0.01       91.07
         51 |         37        0.37       91.44
         52 |         28        0.28       91.72
         53 |         20        0.20       91.92
         54 |          1        0.01       91.93
         55 |          3        0.03       91.96
         57 |         34        0.34       92.30
         58 |        222        2.22       94.52
         60 |          1        0.01       94.53
         61 |         10        0.10       94.63
         62 |          7        0.07       94.70
         63 |          5        0.05       94.75
         65 |          4        0.04       94.79
         66 |          2        0.02       94.81
         69 |          1        0.01       94.82
         75 |          1        0.01       94.83
         77 |          1        0.01       94.84
         78 |          1        0.01       94.85
         79 |         10        0.10       94.95
         80 |         32        0.32       95.27
         81 |          2        0.02       95.29
         82 |          4        0.04       95.33
         83 |          2        0.02       95.35
         84 |         21        0.21       95.56
         85 |          3        0.03       95.59
         87 |         34        0.34       95.93
         90 |         49        0.49       96.42
         91 |        139        1.39       97.81
         92 |         12        0.12       97.93
         93 |          3        0.03       97.96
         99 |        204        2.04      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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