Frequencies for first 10,000 rows of rx1cat3 variable in nhamcsed2011 dataset :

   For RX1, |
MULTUM drug |
category #3 |
     - most |
   detailed |
 level (can |
  be either |
 Level 1,2  |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,738       97.38       97.38
        185 |          4        0.04       97.42
        197 |        119        1.19       98.61
        203 |        109        1.09       99.70
        204 |          2        0.02       99.72
        265 |          3        0.03       99.75
        270 |          2        0.02       99.77
        430 |          2        0.02       99.79
        433 |         21        0.21      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 28 Mar 2016