Frequencies for first 10,000 rows of gpmed3 variable in nhamcsed2007 dataset :

med 3 given in ed or rx at discharge |      Freq.     Percent        Cum.
-------------------------------------+-----------------------------------
                               blank |         98        0.98        0.98
not applicable, no medication listed |      6,973       69.73       70.71
                        given in  ed |      1,640       16.40       87.11
                     rx at discharge |      1,075       10.75       97.86
            both given and rx marked |        214        2.14      100.00
-------------------------------------+-----------------------------------
                               Total |     10,000      100.00

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