Frequencies for first 10,000 rows of med variable in nhamcsed1995 dataset :

       were |
medications |
/injections |
ordered/pro |
     vided? |      Freq.     Percent        Cum.
------------+-----------------------------------
        Yes |      6,893       68.93       68.93
         No |      3,107       31.07      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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