Frequencies for first 10,000 rows of rx4v2c3 variable in nhamcsed2012 dataset :

   For RX4, |
 level 2 of |
MULTUM drug |
category #3 |
(intermedia |
  te level) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,945       99.45       99.45
        064 |         24        0.24       99.69
        065 |         21        0.21       99.90
        332 |          1        0.01       99.91
        430 |          1        0.01       99.92
        433 |          8        0.08      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 7 Nov 2016