Frequencies for first 10,000 rows of rx2v2c3 variable in nhamcsed2011 dataset :

   For RX2, |
 level 2 of |
MULTUM drug |
category #3 |
(intermedia |
  te level) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,789       97.89       97.89
        064 |         82        0.82       98.71
        065 |        110        1.10       99.81
        101 |          1        0.01       99.82
        265 |          1        0.01       99.83
        430 |          5        0.05       99.88
        433 |         12        0.12      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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