Frequencies for first 10,000 rows of gpmed2 variable in nhamcsed2008 dataset :

med 2 given in ed or rx at discharge |      Freq.     Percent        Cum.
-------------------------------------+-----------------------------------
                               blank |        167        1.67        1.67
not applicable, no medication listed |      4,622       46.22       47.89
                        given in  ed |      2,863       28.63       76.52
                     rx at discharge |      1,866       18.66       95.18
            both given and rx marked |        482        4.82      100.00
-------------------------------------+-----------------------------------
                               Total |     10,000      100.00

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