Frequencies for first 10,000 rows of gpmed6 variable in nhamcsed2010 dataset :

      Given in ED or RX at discharge |      Freq.     Percent        Cum.
-------------------------------------+-----------------------------------
                               blank |         14        0.14        0.14
not applicable, no medication listed |      9,426       94.26       94.40
                        given in  ed |        325        3.25       97.65
                     rx at discharge |        217        2.17       99.82
            both given and rx marked |         18        0.18      100.00
-------------------------------------+-----------------------------------
                               Total |     10,000      100.00

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