Frequencies for first 10,000 rows of rx3cat3 variable in nhamcsed2015 dataset :

   For RX3, |
MULTUM drug |
category #3 |
     - most |
   detailed |
 level (can |
  be either |
 Level 1,2  |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,853       98.53       98.53
        197 |         74        0.74       99.27
        203 |         47        0.47       99.74
        204 |          8        0.08       99.82
        265 |          2        0.02       99.84
        270 |          2        0.02       99.86
        430 |          1        0.01       99.87
        433 |         13        0.13      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 20 Nov 2017