Frequencies for first 10,000 rows of rx3v3c3 variable in nhamcsopd2011 dataset :

   For RX3, |
 level 3 of |
MULTUM drug |
category #3 |
  (detailed |
     level) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,950       99.50       99.50
        185 |          3        0.03       99.53
        197 |         13        0.13       99.66
        203 |         34        0.34      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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