Frequencies for first 10,000 rows of gpmed7 variable in nhamcsed2007 dataset :

med 7 given in ed or rx at discharge |      Freq.     Percent        Cum.
-------------------------------------+-----------------------------------
                               blank |         15        0.15        0.15
not applicable, no medication listed |      9,728       97.28       97.43
                        given in  ed |        141        1.41       98.84
                     rx at discharge |        110        1.10       99.94
            both given and rx marked |          6        0.06      100.00
-------------------------------------+-----------------------------------
                               Total |     10,000      100.00

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