Frequencies for first 10,000 rows of gpmed1 variable in nhamcsed2010 dataset :

      Given in ED or RX at discharge |      Freq.     Percent        Cum.
-------------------------------------+-----------------------------------
                               blank |         72        0.72        0.72
not applicable, no medication listed |      2,140       21.40       22.12
                        given in  ed |      4,486       44.86       66.98
                     rx at discharge |      2,283       22.83       89.81
            both given and rx marked |      1,019       10.19      100.00
-------------------------------------+-----------------------------------
                               Total |     10,000      100.00

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