Frequencies for first 10,000 rows of rx1cat3 variable in nhamcsed2010 dataset :

   For RX1, |
MULTUM drug |
category #3 |
     - most |
   detailed |
 level (can |
  be either |
 Level 1,2  |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,716       97.16       97.16
        185 |          1        0.01       97.17
        197 |        135        1.35       98.52
        203 |        114        1.14       99.66
        204 |          4        0.04       99.70
        270 |          2        0.02       99.72
        374 |          1        0.01       99.73
        430 |          3        0.03       99.76
        433 |         24        0.24      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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