Frequencies for first 10,000 rows of typeofmedicarehealthplan variable in ma2014 dataset :

       Type of |
      Medicare |
   Health Plan |      Freq.     Percent        Cum.
---------------+-----------------------------------
               |      3,614       36.14       36.14
          Cost |        504        5.04       41.18
        Cost * |        726        7.26       48.44
     Local HMO |      2,017       20.17       68.61
   Local HMO * |        398        3.98       72.59
     Local PPO |        863        8.63       81.22
   Local PPO * |         66        0.66       81.88
          PFFS |        373        3.73       85.61
        PFFS * |        269        2.69       88.30
  Regional PPO |        730        7.30       95.60
Regional PPO * |        440        4.40      100.00
---------------+-----------------------------------
         Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 14 Apr 2016