Frequencies for first 10,000 rows of gpmed5 variable in nhamcsed2011 dataset :

      Given in ED or Rx at discharge |      Freq.     Percent        Cum.
-------------------------------------+-----------------------------------
                               Blank |         22        0.22        0.22
Not applicable, no medication listed |      9,079       90.79       91.01
                        Given in  ED |        522        5.22       96.23
                     RX at discharge |        311        3.11       99.34
            Both given and RX marked |         66        0.66      100.00
-------------------------------------+-----------------------------------
                               Total |     10,000      100.00

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