Frequencies for first 10,000 rows of rx6v1c1 variable in nhamcsed2012 dataset :

   For RX6, |
 level 1 of |
MULTUM drug |
category #1 |
     (broad |
     level) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,370       93.70       93.70
        001 |         65        0.65       94.35
        020 |          2        0.02       94.37
        040 |         47        0.47       94.84
        057 |        219        2.19       97.03
        081 |          9        0.09       97.12
        087 |         68        0.68       97.80
        097 |         15        0.15       97.95
        105 |         19        0.19       98.14
        113 |          5        0.05       98.19
        115 |         68        0.68       98.87
        122 |         32        0.32       99.19
        133 |         15        0.15       99.34
        242 |         25        0.25       99.59
        254 |          4        0.04       99.63
        331 |          3        0.03       99.66
        358 |         32        0.32       99.98
        365 |          1        0.01       99.99
        899 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 7 Nov 2016