Frequencies for first 10,000 rows of rx7v1c1 variable in nhamcsed2015 dataset :

   For RX7, |
 level 1 of |
MULTUM drug |
category #1 |
     (broad |
     level) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,353       93.53       93.53
        001 |         60        0.60       94.13
        020 |          3        0.03       94.16
        040 |         51        0.51       94.67
        057 |        192        1.92       96.59
        081 |         21        0.21       96.80
        087 |         73        0.73       97.53
        097 |         30        0.30       97.83
        105 |         15        0.15       97.98
        115 |         69        0.69       98.67
        122 |         46        0.46       99.13
        133 |         19        0.19       99.32
        218 |          3        0.03       99.35
        242 |         16        0.16       99.51
        254 |          3        0.03       99.54
        331 |         16        0.16       99.70
        358 |         21        0.21       99.91
        365 |          8        0.08       99.99
        899 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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