Frequencies for first 10,000 rows of gpmed4 variable in nhamcsed2012 dataset :

   Medication 4 given in ED or Rx at |
                           discharge |      Freq.     Percent        Cum.
-------------------------------------+-----------------------------------
                               Blank |        602        6.02        6.02
Not applicable, no medication listed |      7,623       76.23       82.25
                        Given in  ED |      1,021       10.21       92.46
                     RX at discharge |        616        6.16       98.62
            Both given and RX marked |        138        1.38      100.00
-------------------------------------+-----------------------------------
                               Total |     10,000      100.00

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