Frequencies for first 10,000 rows of paymcare variable in nhamcsed2011 dataset :

   Expected |
  source of |
   payment: |
   Medicare |      Freq.     Percent        Cum.
------------+-----------------------------------
         No |      8,097       80.97       80.97
        Yes |      1,903       19.03      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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