Frequencies for first 10,000 rows of rx1cat3 variable in nhamcsed2012 dataset :

   For RX1, |
MULTUM drug |
category #3 |
     - most |
   detailed |
 level (can |
  be either |
 Level 1,2  |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,774       97.74       97.74
        197 |        107        1.07       98.81
        203 |         99        0.99       99.80
        204 |          3        0.03       99.83
        265 |          4        0.04       99.87
        430 |          3        0.03       99.90
        433 |         10        0.10      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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