Frequencies for first 10,000 rows of rx4v3c3 variable in namcs2014 dataset :

   For RX4, |
 level 3 of |
MULTUM drug |
category #3 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,966       99.66       99.66
        197 |         16        0.16       99.82
        203 |         18        0.18      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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