Frequencies for first 10,000 rows of gpmed1 variable in nhamcsed2007 dataset :

med 1 given in ed or rx at discharge |      Freq.     Percent        Cum.
-------------------------------------+-----------------------------------
                               blank |        135        1.35        1.35
not applicable, no medication listed |      2,234       22.34       23.69
                        given in  ed |      4,209       42.09       65.78
                     rx at discharge |      2,400       24.00       89.78
            both given and rx marked |      1,022       10.22      100.00
-------------------------------------+-----------------------------------
                               Total |     10,000      100.00

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