Frequencies for first 10,000 rows of med variable in nhamcsopd2000 dataset :

       were |
medications |
ordered/pro |
     vided? |      Freq.     Percent        Cum.
------------+-----------------------------------
         No |      4,004       40.04       40.04
        Yes |      5,996       59.96      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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