Frequencies for first 10,000 rows of rx5cat3 variable in nhamcsed2007 dataset :

   for rx5, |
multum drug |
category #3 |
 - detailed |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,975       99.75       99.75
        197 |         12        0.12       99.87
        203 |         12        0.12       99.99
        265 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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