Frequencies for first 10,000 rows of gpmed4 variable in nhamcsed2008 dataset :

med 4 given in ed or rx at discharge |      Freq.     Percent        Cum.
-------------------------------------+-----------------------------------
                               blank |        120        1.20        1.20
not applicable, no medication listed |      8,291       82.91       84.11
                        given in  ed |        854        8.54       92.65
                     rx at discharge |        660        6.60       99.25
            both given and rx marked |         75        0.75      100.00
-------------------------------------+-----------------------------------
                               Total |     10,000      100.00

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