Frequencies for first 10,000 rows of rx7v2c3 variable in nhamcsed2010 dataset :

   For RX7, |
 level 2 of |
MULTUM drug |
category #3 |
(intermedia |
  te level) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,989       99.89       99.89
        064 |          7        0.07       99.96
        065 |          3        0.03       99.99
        430 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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