Frequencies for first 10,000 rows of rx9v1c1 variable in nhamcsed2015 dataset :

   For RX9, |
 level 1 of |
MULTUM drug |
category #1 |
     (broad |
     level) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,670       96.70       96.70
        001 |         20        0.20       96.90
        020 |          1        0.01       96.91
        040 |         50        0.50       97.41
        057 |         94        0.94       98.35
        081 |          7        0.07       98.42
        087 |         40        0.40       98.82
        097 |         11        0.11       98.93
        105 |          3        0.03       98.96
        113 |          1        0.01       98.97
        115 |         31        0.31       99.28
        122 |         17        0.17       99.45
        133 |         10        0.10       99.55
        218 |          2        0.02       99.57
        242 |         17        0.17       99.74
        254 |          3        0.03       99.77
        331 |          5        0.05       99.82
        358 |         15        0.15       99.97
        365 |          3        0.03      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 20 Nov 2017