Frequencies for first 10,000 rows of rx11v1c3 variable in namcs2014 dataset :

  For RX11, |
 level 1 of |
MULTUM drug |
category #3 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,991       99.91       99.91
        057 |          5        0.05       99.96
        097 |          2        0.02       99.98
        105 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 27 Mar 2017