Frequencies for first 10,000 rows of rx5v1c1 variable in nhamcsed2011 dataset :

   For RX5, |
 level 1 of |
MULTUM drug |
category #1 |
     (broad |
     level) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,079       90.79       90.79
        001 |         99        0.99       91.78
        040 |         64        0.64       92.42
        057 |        352        3.52       95.94
        081 |          9        0.09       96.03
        087 |         96        0.96       96.99
        097 |         44        0.44       97.43
        105 |         13        0.13       97.56
        113 |          3        0.03       97.59
        115 |         79        0.79       98.38
        122 |         55        0.55       98.93
        133 |         28        0.28       99.21
        218 |          2        0.02       99.23
        242 |         33        0.33       99.56
        254 |          9        0.09       99.65
        331 |          3        0.03       99.68
        358 |         29        0.29       99.97
        365 |          2        0.02       99.99
        899 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 28 Mar 2016