Frequencies for first 10,000 rows of rx12v3c2 variable in nhamcsed2013 dataset :

  For RX12, |
 level 3 of |
MULTUM drug |
category #2 |
  (detailed |
     level) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,995       99.95       99.95
        196 |          1        0.01       99.96
        239 |          1        0.01       99.97
        385 |          1        0.01       99.98
        386 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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