Frequencies for first 10,000 rows of comstat21 variable in namcs2015 dataset :

Composition |
status code |
        for |
 medication |
        #21 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |         43        0.43        0.43
          2 |          4        0.04        0.47
          . |      9,953       99.53      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 25 Oct 2017