Frequencies for first 10,000 rows of rx21cat2 variable in nhamcsed2014 dataset :

  For RX21, |
MULTUM drug |
category #2 |
     - most |
   detailed |
 level (can |
  be either |
  Level 1,2 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,997       99.97       99.97
        123 |          1        0.01       99.98
        129 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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