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

    RELATED |
   FACTOR 3 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,762       77.62       77.62
          1 |         25        0.25       77.87
          2 |          5        0.05       77.92
          3 |          5        0.05       77.97
          4 |          2        0.02       77.99
          5 |        148        1.48       79.47
          6 |         70        0.70       80.17
          9 |          1        0.01       80.18
         10 |          1        0.01       80.19
         11 |          4        0.04       80.23
         12 |          1        0.01       80.24
         21 |         13        0.13       80.37
         23 |          6        0.06       80.43
         24 |         61        0.61       81.04
         26 |          2        0.02       81.06
         27 |         14        0.14       81.20
         28 |        208        2.08       83.28
         29 |          8        0.08       83.36
         30 |          2        0.02       83.38
         31 |          1        0.01       83.39
         33 |          6        0.06       83.45
         34 |          4        0.04       83.49
         35 |          9        0.09       83.58
         36 |         80        0.80       84.38
         37 |         13        0.13       84.51
         38 |         20        0.20       84.71
         39 |         43        0.43       85.14
         40 |          3        0.03       85.17
         41 |         10        0.10       85.27
         42 |          3        0.03       85.30
         44 |        285        2.85       88.15
         45 |          2        0.02       88.17
         46 |          2        0.02       88.19
         48 |        366        3.66       91.85
         49 |          2        0.02       91.87
         51 |         22        0.22       92.09
         52 |         23        0.23       92.32
         53 |         25        0.25       92.57
         54 |          4        0.04       92.61
         55 |          3        0.03       92.64
         56 |          2        0.02       92.66
         57 |         15        0.15       92.81
         58 |        153        1.53       94.34
         61 |          7        0.07       94.41
         62 |         11        0.11       94.52
         63 |          4        0.04       94.56
         64 |          1        0.01       94.57
         65 |          4        0.04       94.61
         66 |          1        0.01       94.62
         69 |          1        0.01       94.63
         71 |          1        0.01       94.64
         72 |          1        0.01       94.65
         75 |          1        0.01       94.66
         76 |          1        0.01       94.67
         78 |          1        0.01       94.68
         79 |         21        0.21       94.89
         80 |         22        0.22       95.11
         81 |          2        0.02       95.13
         82 |          1        0.01       95.14
         83 |          9        0.09       95.23
         84 |         28        0.28       95.51
         85 |          1        0.01       95.52
         87 |         14        0.14       95.66
         90 |         37        0.37       96.03
         91 |        178        1.78       97.81
         92 |          4        0.04       97.85
         93 |          4        0.04       97.89
         99 |        211        2.11      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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