Frequencies for first 10,000 rows of dr_cf2 variable in vehicle dataset :

    RELATED |
   FACTOR 2 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      5,716       57.16       57.16
          1 |         25        0.25       57.41
          2 |         14        0.14       57.55
          3 |          7        0.07       57.62
          4 |          2        0.02       57.64
          6 |        166        1.66       59.30
          7 |          1        0.01       59.31
          9 |          2        0.02       59.33
         11 |          5        0.05       59.38
         12 |          1        0.01       59.39
         13 |          2        0.02       59.41
         18 |          2        0.02       59.43
         20 |          2        0.02       59.45
         21 |          9        0.09       59.54
         22 |          1        0.01       59.55
         23 |         12        0.12       59.67
         24 |         54        0.54       60.21
         26 |         17        0.17       60.38
         27 |         34        0.34       60.72
         28 |      1,148       11.48       72.20
         29 |         11        0.11       72.31
         30 |          7        0.07       72.38
         31 |          9        0.09       72.47
         33 |         14        0.14       72.61
         34 |          2        0.02       72.63
         35 |         36        0.36       72.99
         36 |         63        0.63       73.62
         37 |         19        0.19       73.81
         38 |        143        1.43       75.24
         39 |        131        1.31       76.55
         40 |          2        0.02       76.57
         41 |         13        0.13       76.70
         42 |          3        0.03       76.73
         44 |        851        8.51       85.24
         45 |          1        0.01       85.25
         47 |          2        0.02       85.27
         48 |        405        4.05       89.32
         49 |          3        0.03       89.35
         50 |          2        0.02       89.37
         51 |         51        0.51       89.88
         52 |         37        0.37       90.25
         53 |         22        0.22       90.47
         54 |          5        0.05       90.52
         55 |          1        0.01       90.53
         57 |         49        0.49       91.02
         58 |        140        1.40       92.42
         60 |          1        0.01       92.43
         61 |         24        0.24       92.67
         62 |         19        0.19       92.86
         63 |         13        0.13       92.99
         64 |          5        0.05       93.04
         65 |          6        0.06       93.10
         66 |         22        0.22       93.32
         67 |          3        0.03       93.35
         71 |          3        0.03       93.38
         75 |          2        0.02       93.40
         76 |          7        0.07       93.47
         77 |          2        0.02       93.49
         79 |          3        0.03       93.52
         80 |         16        0.16       93.68
         81 |          7        0.07       93.75
         83 |          8        0.08       93.83
         84 |         15        0.15       93.98
         85 |          7        0.07       94.05
         87 |         50        0.50       94.55
         90 |         99        0.99       95.54
         91 |        197        1.97       97.51
         92 |         17        0.17       97.68
         99 |        232        2.32      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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