Frequencies for first 10,000 rows of nmedcare variable in namcs2008 dataset :

       for new |
     patients, |
       accepts |
      medicare |      Freq.     Percent        Cum.
---------------+-----------------------------------
         blank |         22        0.22        0.22
       unknown |        158        1.58        1.80
not applicable |        939        9.39       11.19
           yes |      6,614       66.14       77.33
            no |      2,267       22.67      100.00
---------------+-----------------------------------
         Total |     10,000      100.00

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