Frequencies for first 10,000 rows of rx9v1c1 variable in nhamcsed2014 dataset :

   For RX9, |
 level 1 of |
MULTUM drug |
category #1 |
     (broad |
     level) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,736       97.36       97.36
        001 |         21        0.21       97.57
        020 |          1        0.01       97.58
        028 |          1        0.01       97.59
        040 |         35        0.35       97.94
        057 |         83        0.83       98.77
        081 |         10        0.10       98.87
        087 |         27        0.27       99.14
        097 |          5        0.05       99.19
        105 |         11        0.11       99.30
        115 |         22        0.22       99.52
        122 |         16        0.16       99.68
        133 |          3        0.03       99.71
        218 |          1        0.01       99.72
        242 |          4        0.04       99.76
        254 |          1        0.01       99.77
        331 |          3        0.03       99.80
        358 |         18        0.18       99.98
        365 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 11 Apr 2017