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

    RELATED |
   FACTOR 4 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,198       91.98       91.98
          1 |          2        0.02       92.00
          2 |          1        0.01       92.01
          6 |          5        0.05       92.06
         11 |          2        0.02       92.08
         13 |          1        0.01       92.09
         21 |          3        0.03       92.12
         24 |         14        0.14       92.26
         27 |          6        0.06       92.32
         28 |         31        0.31       92.63
         29 |          1        0.01       92.64
         31 |          1        0.01       92.65
         33 |          1        0.01       92.66
         35 |          2        0.02       92.68
         36 |          7        0.07       92.75
         37 |          7        0.07       92.82
         38 |          4        0.04       92.86
         39 |          6        0.06       92.92
         40 |          1        0.01       92.93
         44 |         36        0.36       93.29
         45 |          1        0.01       93.30
         46 |          4        0.04       93.34
         48 |         58        0.58       93.92
         49 |          1        0.01       93.93
         50 |          1        0.01       93.94
         51 |          6        0.06       94.00
         52 |         10        0.10       94.10
         53 |          7        0.07       94.17
         54 |          1        0.01       94.18
         56 |          1        0.01       94.19
         57 |         24        0.24       94.43
         58 |         85        0.85       95.28
         59 |          1        0.01       95.29
         61 |          3        0.03       95.32
         63 |          2        0.02       95.34
         66 |          1        0.01       95.35
         71 |          1        0.01       95.36
         77 |          1        0.01       95.37
         79 |          4        0.04       95.41
         80 |         25        0.25       95.66
         81 |          3        0.03       95.69
         84 |         17        0.17       95.86
         85 |          2        0.02       95.88
         86 |          1        0.01       95.89
         87 |          8        0.08       95.97
         90 |         14        0.14       96.11
         91 |        166        1.66       97.77
         92 |          5        0.05       97.82
         99 |        218        2.18      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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