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

    RELATED |
   FACTOR 2 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      5,687       56.87       56.87
          1 |          7        0.07       56.94
          2 |          6        0.06       57.00
          3 |          4        0.04       57.04
          4 |          3        0.03       57.07
          6 |         66        0.66       57.73
          7 |          1        0.01       57.74
         11 |          2        0.02       57.76
         12 |          1        0.01       57.77
         13 |          1        0.01       57.78
         17 |        831        8.31       66.09
         21 |         15        0.15       66.24
         22 |          2        0.02       66.26
         23 |          8        0.08       66.34
         24 |        129        1.29       67.63
         26 |         14        0.14       67.77
         27 |         40        0.40       68.17
         28 |        400        4.00       72.17
         29 |         12        0.12       72.29
         30 |          3        0.03       72.32
         31 |          4        0.04       72.36
         33 |         15        0.15       72.51
         34 |          4        0.04       72.55
         35 |         59        0.59       73.14
         36 |         71        0.71       73.85
         37 |         20        0.20       74.05
         38 |        100        1.00       75.05
         39 |        163        1.63       76.68
         40 |          1        0.01       76.69
         41 |          6        0.06       76.75
         42 |          2        0.02       76.77
         44 |        883        8.83       85.60
         45 |          2        0.02       85.62
         46 |          7        0.07       85.69
         47 |          1        0.01       85.70
         48 |        478        4.78       90.48
         49 |          2        0.02       90.50
         50 |          2        0.02       90.52
         51 |         55        0.55       91.07
         52 |         26        0.26       91.33
         53 |         23        0.23       91.56
         54 |          9        0.09       91.65
         55 |          2        0.02       91.67
         56 |          1        0.01       91.68
         57 |         45        0.45       92.13
         58 |        130        1.30       93.43
         59 |          1        0.01       93.44
         61 |         11        0.11       93.55
         62 |         12        0.12       93.67
         63 |          9        0.09       93.76
         65 |          8        0.08       93.84
         66 |         20        0.20       94.04
         67 |          2        0.02       94.06
         68 |          1        0.01       94.07
         71 |          2        0.02       94.09
         73 |          2        0.02       94.11
         74 |          1        0.01       94.12
         75 |          2        0.02       94.14
         76 |          1        0.01       94.15
         77 |          2        0.02       94.17
         79 |          8        0.08       94.25
         80 |         11        0.11       94.36
         81 |          3        0.03       94.39
         82 |          1        0.01       94.40
         83 |          5        0.05       94.45
         84 |         19        0.19       94.64
         85 |         14        0.14       94.78
         86 |          1        0.01       94.79
         87 |         54        0.54       95.33
         88 |          6        0.06       95.39
         90 |         87        0.87       96.26
         91 |        117        1.17       97.43
         92 |         23        0.23       97.66
         93 |          2        0.02       97.68
         95 |          1        0.01       97.69
         99 |        231        2.31      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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