Frequencies for first 10,000 rows of rx9cat3 variable in nhamcsed2014 dataset :

   For RX9, |
MULTUM drug |
category #3 |
     - most |
   detailed |
 level (can |
  be either |
 Level 1,2  |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,986       99.86       99.86
        197 |          4        0.04       99.90
        203 |          6        0.06       99.96
        204 |          1        0.01       99.97
        430 |          1        0.01       99.98
        433 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 11 Apr 2017