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

    RELATED |
   FACTOR 3 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,968       79.68       79.68
          1 |         40        0.40       80.08
          2 |          5        0.05       80.13
          3 |          9        0.09       80.22
          4 |          4        0.04       80.26
          5 |        125        1.25       81.51
          6 |        114        1.14       82.65
          8 |          1        0.01       82.66
         10 |          1        0.01       82.67
         11 |          9        0.09       82.76
         12 |          1        0.01       82.77
         19 |          4        0.04       82.81
         21 |          7        0.07       82.88
         22 |          2        0.02       82.90
         23 |          6        0.06       82.96
         24 |         53        0.53       83.49
         26 |          2        0.02       83.51
         27 |         16        0.16       83.67
         28 |        220        2.20       85.87
         29 |          9        0.09       85.96
         30 |          4        0.04       86.00
         31 |          2        0.02       86.02
         33 |         15        0.15       86.17
         34 |          2        0.02       86.19
         35 |          7        0.07       86.26
         36 |         60        0.60       86.86
         37 |         11        0.11       86.97
         38 |         18        0.18       87.15
         39 |         50        0.50       87.65
         40 |          1        0.01       87.66
         41 |         11        0.11       87.77
         44 |        307        3.07       90.84
         45 |          1        0.01       90.85
         46 |          1        0.01       90.86
         48 |        143        1.43       92.29
         49 |          4        0.04       92.33
         51 |          4        0.04       92.37
         52 |         26        0.26       92.63
         53 |         25        0.25       92.88
         54 |          1        0.01       92.89
         55 |          1        0.01       92.90
         56 |          2        0.02       92.92
         57 |          4        0.04       92.96
         58 |        154        1.54       94.50
         61 |         19        0.19       94.69
         62 |          4        0.04       94.73
         63 |         10        0.10       94.83
         65 |          8        0.08       94.91
         66 |          4        0.04       94.95
         69 |          1        0.01       94.96
         71 |          1        0.01       94.97
         75 |          4        0.04       95.01
         76 |          1        0.01       95.02
         77 |          2        0.02       95.04
         79 |         36        0.36       95.40
         80 |         12        0.12       95.52
         81 |          2        0.02       95.54
         82 |          1        0.01       95.55
         83 |          3        0.03       95.58
         84 |         28        0.28       95.86
         85 |          2        0.02       95.88
         87 |         22        0.22       96.10
         90 |         44        0.44       96.54
         91 |        229        2.29       98.83
         92 |         13        0.13       98.96
         99 |        104        1.04      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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