Frequencies for first 10,000 rows of rx27cat2 variable in namcs2015 dataset :

  For RX27, |
MULTUM drug |
category #2 |
 - detailed |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,998       99.98       99.98
        174 |          1        0.01       99.99
        277 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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