Frequencies for first 10,000 rows of gpmed4 variable in nhamcsed2007 dataset :

med 4 given in ed or rx at discharge |      Freq.     Percent        Cum.
-------------------------------------+-----------------------------------
                               blank |         50        0.50        0.50
not applicable, no medication listed |      8,405       84.05       84.55
                        given in  ed |        856        8.56       93.11
                     rx at discharge |        615        6.15       99.26
            both given and rx marked |         74        0.74      100.00
-------------------------------------+-----------------------------------
                               Total |     10,000      100.00

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