Frequencies for first 10,000 rows of rx21cat4 variable in nhamcsed2014 dataset :

  For RX21, |
MULTUM drug |
category #4 |
     - most |
   detailed |
 level (can |
  be either |
  Level 1,2 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,999       99.99       99.99
        205 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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