Frequencies for first 10,000 rows of gpmed5 variable in nhamcsed2010 dataset :

      Given in ED or RX at discharge |      Freq.     Percent        Cum.
-------------------------------------+-----------------------------------
                               blank |         30        0.30        0.30
not applicable, no medication listed |      8,928       89.28       89.58
                        given in  ed |        594        5.94       95.52
                     rx at discharge |        408        4.08       99.60
            both given and rx marked |         40        0.40      100.00
-------------------------------------+-----------------------------------
                               Total |     10,000      100.00

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