Frequencies for first 10,000 rows of dr_cf1 variable in vehicle dataset :

    RELATED |
   FACTOR 1 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      3,278       32.78       32.78
          1 |        168        1.68       34.46
          2 |         30        0.30       34.76
          3 |         13        0.13       34.89
          4 |          7        0.07       34.96
          5 |         65        0.65       35.61
          6 |        337        3.37       38.98
          9 |          2        0.02       39.00
         11 |          9        0.09       39.09
         12 |          7        0.07       39.16
         19 |          3        0.03       39.19
         20 |         65        0.65       39.84
         21 |         25        0.25       40.09
         22 |          6        0.06       40.15
         23 |         16        0.16       40.31
         24 |        117        1.17       41.48
         26 |         51        0.51       41.99
         27 |         61        0.61       42.60
         28 |      1,581       15.81       58.41
         29 |         10        0.10       58.51
         30 |          7        0.07       58.58
         31 |         18        0.18       58.76
         32 |          1        0.01       58.77
         33 |         30        0.30       59.07
         34 |          6        0.06       59.13
         35 |         58        0.58       59.71
         36 |         61        0.61       60.32
         37 |         34        0.34       60.66
         38 |        543        5.43       66.09
         39 |        438        4.38       70.47
         40 |          5        0.05       70.52
         42 |          3        0.03       70.55
         44 |      1,420       14.20       84.75
         45 |          5        0.05       84.80
         46 |          1        0.01       84.81
         47 |          2        0.02       84.83
         48 |        336        3.36       88.19
         49 |          2        0.02       88.21
         50 |          5        0.05       88.26
         51 |        134        1.34       89.60
         52 |          7        0.07       89.67
         53 |          4        0.04       89.71
         54 |         45        0.45       90.16
         55 |          1        0.01       90.17
         56 |          3        0.03       90.20
         57 |          1        0.01       90.21
         58 |         42        0.42       90.63
         61 |         86        0.86       91.49
         62 |         43        0.43       91.92
         63 |         32        0.32       92.24
         64 |          1        0.01       92.25
         65 |         20        0.20       92.45
         66 |         26        0.26       92.71
         67 |         31        0.31       93.02
         69 |          2        0.02       93.04
         71 |          4        0.04       93.08
         72 |          1        0.01       93.09
         76 |          3        0.03       93.12
         77 |          3        0.03       93.15
         79 |          4        0.04       93.19
         80 |         28        0.28       93.47
         81 |          9        0.09       93.56
         82 |          1        0.01       93.57
         83 |          4        0.04       93.61
         84 |         36        0.36       93.97
         85 |          3        0.03       94.00
         86 |          1        0.01       94.01
         87 |         12        0.12       94.13
         90 |        287        2.87       97.00
         91 |        145        1.45       98.45
         92 |         32        0.32       98.77
         98 |          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