Frequencies for first 10,000 rows of rx3cat3 variable in nhamcsed2008 dataset :

   for rx3, |
multum drug |
category #3 |
 - detailed |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,912       99.12       99.12
        185 |          1        0.01       99.13
        197 |         47        0.47       99.60
        203 |         32        0.32       99.92
        204 |          6        0.06       99.98
        265 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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