Frequencies for first 10,000 rows of rx7v3c3 variable in namcs2014 dataset :

   For RX7, |
 level 3 of |
MULTUM drug |
category #3 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,984       99.84       99.84
        185 |          1        0.01       99.85
        197 |          6        0.06       99.91
        203 |          9        0.09      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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