Frequencies for first 10,000 rows of med variable in nhamcsopd1993 dataset :

       were |
medications |
 ordered or |
  provided? |      Freq.     Percent        Cum.
------------+-----------------------------------
        Yes |      5,644       56.44       56.44
         No |      4,356       43.56      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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