Frequencies for first 10,000 rows of rx4v1c4 variable in nhamcsed2014 dataset :

   For RX4, |
 level 1 of |
MULTUM drug |
category #4 |
     (broad |
     level) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,973       99.73       99.73
        057 |         27        0.27      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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