Frequencies for first 10,000 rows of comstat6 variable in nhamcsopd1998 dataset :

composition |
status code |
        for |
 medication |
         #6 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        347        3.47        3.47
          2 |         35        0.35        3.82
          3 |         13        0.13        3.95
          . |      9,605       96.05      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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