Frequencies for first 10,000 rows of rx13v1c3 variable in namcs2015 dataset :

  For RX13, |
 level 1 of |
MULTUM drug |
category #3 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,997       99.97       99.97
        057 |          2        0.02       99.99
        105 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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