Frequencies for first 10,000 rows of gpmed12 variable in nhamcsed2013 dataset :

  Medication 12 given in ED or Rx at |
                           discharge |      Freq.     Percent        Cum.
-------------------------------------+-----------------------------------
Not applicable, no medication listed |      9,942       99.42       99.42
                        Given in  ED |         35        0.35       99.77
                     RX at discharge |         16        0.16       99.93
            Both given and RX marked |          7        0.07      100.00
-------------------------------------+-----------------------------------
                               Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 7 Nov 2016