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

    RELATED |
   FACTOR 3 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,020       80.20       80.20
          1 |         12        0.12       80.32
          2 |          3        0.03       80.35
          3 |          3        0.03       80.38
          4 |          1        0.01       80.39
          5 |        102        1.02       81.41
          6 |         58        0.58       81.99
         11 |          2        0.02       82.01
         12 |          1        0.01       82.02
         15 |          1        0.01       82.03
         21 |          3        0.03       82.06
         23 |          6        0.06       82.12
         24 |         23        0.23       82.35
         26 |         13        0.13       82.48
         27 |         18        0.18       82.66
         28 |        319        3.19       85.85
         29 |          4        0.04       85.89
         30 |          1        0.01       85.90
         31 |          1        0.01       85.91
         33 |          8        0.08       85.99
         34 |          3        0.03       86.02
         35 |         10        0.10       86.12
         36 |         32        0.32       86.44
         37 |         14        0.14       86.58
         38 |         21        0.21       86.79
         39 |         42        0.42       87.21
         42 |          4        0.04       87.25
         44 |        253        2.53       89.78
         46 |         13        0.13       89.91
         48 |        171        1.71       91.62
         51 |         10        0.10       91.72
         52 |         13        0.13       91.85
         53 |         38        0.38       92.23
         54 |          1        0.01       92.24
         55 |          1        0.01       92.25
         57 |          7        0.07       92.32
         58 |        120        1.20       93.52
         61 |         13        0.13       93.65
         62 |          2        0.02       93.67
         63 |         14        0.14       93.81
         66 |          4        0.04       93.85
         67 |          2        0.02       93.87
         69 |          1        0.01       93.88
         73 |         13        0.13       94.01
         74 |          9        0.09       94.10
         76 |          3        0.03       94.13
         79 |          3        0.03       94.16
         80 |         13        0.13       94.29
         81 |          4        0.04       94.33
         82 |          1        0.01       94.34
         83 |          3        0.03       94.37
         84 |         10        0.10       94.47
         85 |          5        0.05       94.52
         86 |          4        0.04       94.56
         87 |         14        0.14       94.70
         89 |          4        0.04       94.74
         90 |         45        0.45       95.19
         91 |         18        0.18       95.37
         92 |        156        1.56       96.93
         93 |         10        0.10       97.03
         94 |         12        0.12       97.15
         99 |        285        2.85      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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