Frequencies for first 10,000 rows of rx22cat2 variable in nhamcsed2014 dataset :

  For RX22, |
MULTUM drug |
category #2 |
     - most |
   detailed |
 level (can |
  be either |
  Level 1,2 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,996       99.96       99.96
        015 |          1        0.01       99.97
        129 |          1        0.01       99.98
        196 |          1        0.01       99.99
        363 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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