Frequencies for first 10,000 rows of comstat6 variable in nhamcsopd2001 dataset :

composition |
status code |
        for |
 medication |
         #6 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        593        5.93        5.93
          2 |         68        0.68        6.61
          3 |         39        0.39        7.00
          . |      9,300       93.00      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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