Frequencies for first 10,000 rows of rx5v2c3 variable in nhamcsopd2010 dataset :

   for rx5, |
 level 2 of |
multum drug |
category #3 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,972       99.72       99.72
        064 |         16        0.16       99.88
        065 |          4        0.04       99.92
        265 |          1        0.01       99.93
        270 |          4        0.04       99.97
        430 |          1        0.01       99.98
        433 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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