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

    RELATED |
   FACTOR 2 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      5,484       54.84       54.84
          1 |         49        0.49       55.33
          2 |         26        0.26       55.59
          3 |          6        0.06       55.65
          4 |          5        0.05       55.70
          5 |         82        0.82       56.52
          6 |        359        3.59       60.11
          9 |          2        0.02       60.13
         11 |          4        0.04       60.17
         12 |          1        0.01       60.18
         19 |          1        0.01       60.19
         20 |          1        0.01       60.20
         21 |         11        0.11       60.31
         22 |          3        0.03       60.34
         23 |          8        0.08       60.42
         24 |         66        0.66       61.08
         26 |         12        0.12       61.20
         27 |         44        0.44       61.64
         28 |      1,141       11.41       73.05
         29 |         10        0.10       73.15
         30 |         17        0.17       73.32
         31 |          6        0.06       73.38
         33 |         26        0.26       73.64
         34 |         10        0.10       73.74
         35 |         29        0.29       74.03
         36 |         75        0.75       74.78
         37 |         24        0.24       75.02
         38 |        141        1.41       76.43
         39 |        154        1.54       77.97
         40 |          5        0.05       78.02
         41 |         19        0.19       78.21
         42 |          1        0.01       78.22
         44 |      1,063       10.63       88.85
         45 |          1        0.01       88.86
         48 |        287        2.87       91.73
         49 |          1        0.01       91.74
         50 |          4        0.04       91.78
         51 |         48        0.48       92.26
         52 |         20        0.20       92.46
         53 |         31        0.31       92.77
         54 |         12        0.12       92.89
         55 |          1        0.01       92.90
         56 |          3        0.03       92.93
         58 |        147        1.47       94.40
         59 |          1        0.01       94.41
         61 |         86        0.86       95.27
         62 |         15        0.15       95.42
         63 |         17        0.17       95.59
         64 |          2        0.02       95.61
         65 |          7        0.07       95.68
         66 |         17        0.17       95.85
         67 |          4        0.04       95.89
         71 |          1        0.01       95.90
         76 |          4        0.04       95.94
         79 |         16        0.16       96.10
         80 |         13        0.13       96.23
         82 |          3        0.03       96.26
         83 |          2        0.02       96.28
         84 |         25        0.25       96.53
         85 |          2        0.02       96.55
         87 |          7        0.07       96.62
         90 |         77        0.77       97.39
         91 |        132        1.32       98.71
         92 |          6        0.06       98.77
         93 |          1        0.01       98.78
         99 |        122        1.22      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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