Frequencies for first 10,000 rows of rx2v2c3 variable in nhamcsopd2011 dataset :

   For RX2, |
 level 2 of |
MULTUM drug |
category #3 |
(intermedia |
  te level) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,897       98.97       98.97
        064 |         58        0.58       99.55
        065 |         25        0.25       99.80
        101 |          6        0.06       99.86
        270 |          8        0.08       99.94
        430 |          2        0.02       99.96
        433 |          4        0.04      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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