Frequencies for first 10,000 rows of rx3v1c2 variable in nhamcsed2012 dataset :

   For RX3, |
 level 1 of |
MULTUM drug |
category #2 |
     (broad |
     level) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,443       94.43       94.43
        001 |         53        0.53       94.96
        040 |         84        0.84       95.80
        057 |        110        1.10       96.90
        081 |         29        0.29       97.19
        087 |          2        0.02       97.21
        097 |          5        0.05       97.26
        105 |          2        0.02       97.28
        115 |         11        0.11       97.39
        122 |        243        2.43       99.82
        133 |         13        0.13       99.95
        218 |          1        0.01       99.96
        242 |          2        0.02       99.98
        254 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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