Frequencies for first 10,000 rows of rx3cat3 variable in nhamcsed2011 dataset :

   For RX3, |
MULTUM drug |
category #3 |
     - most |
   detailed |
 level (can |
  be either |
 Level 1,2  |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,894       98.94       98.94
        185 |          1        0.01       98.95
        197 |         51        0.51       99.46
        203 |         38        0.38       99.84
        204 |          3        0.03       99.87
        265 |          1        0.01       99.88
        270 |          1        0.01       99.89
        374 |          1        0.01       99.90
        430 |          2        0.02       99.92
        433 |          8        0.08      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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