Frequencies for first 10,000 rows of rx1cat3 variable in nhamcsed2013 dataset :

   For RX1, |
MULTUM drug |
category #3 |
     - most |
   detailed |
 level (can |
  be either |
 Level 1,2  |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,701       97.01       97.01
        197 |        152        1.52       98.53
        203 |        124        1.24       99.77
        204 |          5        0.05       99.82
        265 |          2        0.02       99.84
        430 |          1        0.01       99.85
        433 |         15        0.15      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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