Frequencies for first 10,000 rows of gpmed4 variable in nhamcsed2013 dataset :

   Medication 4 given in ED or Rx at |
                           discharge |      Freq.     Percent        Cum.
-------------------------------------+-----------------------------------
                               Blank |         11        0.11        0.11
Not applicable, no medication listed |      7,997       79.97       80.08
                        Given in  ED |      1,205       12.05       92.13
                     RX at discharge |        620        6.20       98.33
            Both given and RX marked |        167        1.67      100.00
-------------------------------------+-----------------------------------
                               Total |     10,000      100.00

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