Frequencies for first 10,000 rows of rx4v2c3 variable in nhamcsed2014 dataset :

   For RX4, |
 level 2 of |
MULTUM drug |
category #3 |
(intermedia |
  te level) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,923       99.23       99.23
        064 |         35        0.35       99.58
        065 |         27        0.27       99.85
        101 |          1        0.01       99.86
        265 |          2        0.02       99.88
        430 |          1        0.01       99.89
        433 |         11        0.11      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 11 Apr 2017