Frequencies for first 10,000 rows of rx8v1c4 variable in namcs2012 dataset :

   For RX8, |
 level 1 of |
MULTUM drug |
category #4 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,995       99.95       99.95
        057 |          1        0.01       99.96
        254 |          4        0.04      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 28 Mar 2016