Frequencies for first 10,000 rows of newmed2 variable in nhamcsopd1992 dataset :

         Is |
 medication |
 #2 new for |
        the |
   patient? |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,608       76.08       76.08
          1 |        813        8.13       84.21
          2 |      1,579       15.79      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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