Frequencies for first 10,000 rows of rx28v3c1 variable in namcs2015 dataset :

  For RX28, |
 level 3 of |
MULTUM drug |
category #1 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,996       99.96       99.96
        060 |          1        0.01       99.97
        173 |          1        0.01       99.98
        180 |          1        0.01       99.99
        341 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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