Frequencies for first 10,000 rows of rx6v2c3 variable in nhamcsed2011 dataset :

   For RX6, |
 level 2 of |
MULTUM drug |
category #3 |
(intermedia |
  te level) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,977       99.77       99.77
        064 |         11        0.11       99.88
        065 |          6        0.06       99.94
        430 |          1        0.01       99.95
        433 |          5        0.05      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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