Frequencies for first 10,000 rows of gpmed8 variable in nhamcsed2010 dataset :

      Given in ED or RX at discharge |      Freq.     Percent        Cum.
-------------------------------------+-----------------------------------
                               blank |          8        0.08        0.08
not applicable, no medication listed |      9,833       98.33       98.41
                        given in  ed |         79        0.79       99.20
                     rx at discharge |         74        0.74       99.94
            both given and rx marked |          6        0.06      100.00
-------------------------------------+-----------------------------------
                               Total |     10,000      100.00

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