Frequencies for first 10,000 rows of rx3cat3 variable in namcs2011 dataset :

   For RX3, |
MULTUM drug |
category #3 |
     - most |
   detailed |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,941       99.41       99.41
        197 |         16        0.16       99.57
        203 |         27        0.27       99.84
        204 |          1        0.01       99.85
        270 |          5        0.05       99.90
        433 |         10        0.10      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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