Frequencies for first 10,000 rows of rx13v1c4 variable in namcs2014 dataset :

  For RX13, |
 level 1 of |
MULTUM drug |
category #4 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,997       99.97       99.97
        057 |          1        0.01       99.98
        254 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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