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

    RELATED |
   FACTOR 2 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      6,027       60.27       60.27
          1 |         34        0.34       60.61
          2 |         12        0.12       60.73
          3 |          8        0.08       60.81
          4 |          3        0.03       60.84
          5 |        271        2.71       63.55
          6 |        154        1.54       65.09
          9 |          1        0.01       65.10
         11 |          2        0.02       65.12
         16 |          2        0.02       65.14
         20 |          1        0.01       65.15
         21 |          6        0.06       65.21
         22 |          1        0.01       65.22
         23 |         10        0.10       65.32
         24 |         62        0.62       65.94
         26 |         23        0.23       66.17
         27 |         43        0.43       66.60
         28 |        787        7.87       74.47
         29 |          4        0.04       74.51
         30 |          1        0.01       74.52
         31 |          4        0.04       74.56
         33 |         23        0.23       74.79
         34 |          1        0.01       74.80
         35 |         22        0.22       75.02
         36 |         31        0.31       75.33
         37 |         19        0.19       75.52
         38 |        114        1.14       76.66
         39 |        133        1.33       77.99
         40 |          1        0.01       78.00
         41 |          1        0.01       78.01
         42 |          3        0.03       78.04
         43 |        617        6.17       84.21
         44 |        203        2.03       86.24
         45 |          1        0.01       86.25
         46 |         11        0.11       86.36
         47 |          3        0.03       86.39
         48 |        347        3.47       89.86
         50 |          3        0.03       89.89
         51 |         38        0.38       90.27
         52 |         25        0.25       90.52
         53 |         12        0.12       90.64
         54 |          4        0.04       90.68
         57 |         12        0.12       90.80
         58 |        149        1.49       92.29
         61 |         19        0.19       92.48
         62 |         13        0.13       92.61
         63 |         10        0.10       92.71
         64 |          1        0.01       92.72
         65 |          3        0.03       92.75
         66 |          6        0.06       92.81
         67 |          2        0.02       92.83
         69 |          1        0.01       92.84
         70 |          2        0.02       92.86
         71 |          1        0.01       92.87
         73 |         23        0.23       93.10
         74 |          7        0.07       93.17
         76 |          4        0.04       93.21
         77 |          1        0.01       93.22
         79 |          3        0.03       93.25
         80 |         11        0.11       93.36
         81 |          7        0.07       93.43
         82 |          1        0.01       93.44
         83 |         11        0.11       93.55
         84 |         17        0.17       93.72
         85 |         11        0.11       93.83
         87 |         26        0.26       94.09
         88 |          1        0.01       94.10
         89 |         28        0.28       94.38
         90 |         93        0.93       95.31
         91 |         19        0.19       95.50
         92 |        164        1.64       97.14
         93 |         19        0.19       97.33
         94 |         14        0.14       97.47
         97 |          2        0.02       97.49
         98 |          3        0.03       97.52
         99 |        248        2.48      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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