Frequencies for first 10,000 rows of rx6cat3 variable in nhamcsed2012 dataset :

   For RX6, |
MULTUM drug |
category #3 |
     - most |
   detailed |
 level (can |
  be either |
 Level 1,2  |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,977       99.77       99.77
        197 |          7        0.07       99.84
        203 |         10        0.10       99.94
        204 |          2        0.02       99.96
        265 |          1        0.01       99.97
        270 |          1        0.01       99.98
        430 |          1        0.01       99.99
        433 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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