Frequencies for first 10,000 rows of rx4v2c3 variable in namcs2014 dataset :

   For RX4, |
 level 2 of |
MULTUM drug |
category #3 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,955       99.55       99.55
        064 |         18        0.18       99.73
        065 |         16        0.16       99.89
        265 |          4        0.04       99.93
        270 |          2        0.02       99.95
        433 |          5        0.05      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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