Frequencies for first 10,000 rows of rx3cat3 variable in nhamcsed2007 dataset :

   for rx3, |
multum drug |
category #3 |
 - detailed |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,884       98.84       98.84
        185 |          1        0.01       98.85
        197 |         66        0.66       99.51
        203 |         41        0.41       99.92
        204 |          5        0.05       99.97
        265 |          3        0.03      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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