Frequencies for first 10,000 rows of dr_cf4 variable in vehicle dataset :

    RELATED |
   FACTOR 4 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,269       92.69       92.69
          1 |          3        0.03       92.72
          2 |          2        0.02       92.74
          3 |          1        0.01       92.75
          4 |          1        0.01       92.76
          5 |         14        0.14       92.90
          6 |          9        0.09       92.99
         11 |          2        0.02       93.01
         16 |          1        0.01       93.02
         20 |          1        0.01       93.03
         23 |          3        0.03       93.06
         26 |          2        0.02       93.08
         27 |          2        0.02       93.10
         28 |         91        0.91       94.01
         33 |          2        0.02       94.03
         34 |          2        0.02       94.05
         35 |          2        0.02       94.07
         36 |         13        0.13       94.20
         37 |          1        0.01       94.21
         38 |          4        0.04       94.25
         39 |          9        0.09       94.34
         41 |          1        0.01       94.35
         44 |         32        0.32       94.67
         46 |          3        0.03       94.70
         48 |         37        0.37       95.07
         50 |          1        0.01       95.08
         51 |          1        0.01       95.09
         52 |          5        0.05       95.14
         53 |         16        0.16       95.30
         54 |          1        0.01       95.31
         57 |          3        0.03       95.34
         58 |         41        0.41       95.75
         61 |          6        0.06       95.81
         63 |          7        0.07       95.88
         65 |          1        0.01       95.89
         73 |          9        0.09       95.98
         75 |          1        0.01       95.99
         79 |          6        0.06       96.05
         81 |          2        0.02       96.07
         87 |          7        0.07       96.14
         89 |          2        0.02       96.16
         90 |         25        0.25       96.41
         91 |          6        0.06       96.47
         92 |        113        1.13       97.60
         93 |         10        0.10       97.70
         94 |          5        0.05       97.75
         97 |          1        0.01       97.76
         99 |        224        2.24      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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