Frequencies for first 10,000 rows of rx1v2c3 variable in nhamcsed2013 dataset :

   For RX1, |
 level 2 of |
MULTUM drug |
category #3 |
(intermedia |
  te level) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,701       97.01       97.01
        064 |        129        1.29       98.30
        065 |        152        1.52       99.82
        265 |          2        0.02       99.84
        430 |          1        0.01       99.85
        433 |         15        0.15      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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