Frequencies for first 10,000 rows of nmedcaid variable in namcs2006 dataset :

       for new |
     patients, |
     physician |
      accepts: |
      medicaid |      Freq.     Percent        Cum.
---------------+-----------------------------------
         blank |        168        1.68        1.68
           yes |      6,742       67.42       69.10
            no |      2,280       22.80       91.90
       unknown |        203        2.03       93.93
not applicable |        607        6.07      100.00
---------------+-----------------------------------
         Total |     10,000      100.00

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