Frequencies for first 10,000 rows of rx3v2c3 variable in nhamcsopd2010 dataset :

   for rx3, |
 level 2 of |
multum drug |
category #3 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,944       99.44       99.44
        064 |         18        0.18       99.62
        065 |         26        0.26       99.88
        101 |          4        0.04       99.92
        220 |          1        0.01       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 , 28 Mar 2016