Frequencies for first 10,000 rows of rx2cat3 variable in nhamcsed2013 dataset :

   For RX2, |
MULTUM drug |
category #3 |
     - most |
   detailed |
 level (can |
  be either |
 Level 1,2  |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,777       97.77       97.77
        185 |          2        0.02       97.79
        197 |        111        1.11       98.90
        203 |         87        0.87       99.77
        204 |          5        0.05       99.82
        265 |          1        0.01       99.83
        430 |          1        0.01       99.84
        433 |         16        0.16      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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