Frequencies for first 10,000 rows of rx19cat2 variable in namcs2015 dataset :

  For RX19, |
MULTUM drug |
category #2 |
 - detailed |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,995       99.95       99.95
        015 |          1        0.01       99.96
        211 |          1        0.01       99.97
        388 |          3        0.03      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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