Frequencies for first 10,000 rows of gpmed2 variable in nhamcsed2007 dataset :

med 2 given in ed or rx at discharge |      Freq.     Percent        Cum.
-------------------------------------+-----------------------------------
                               blank |        116        1.16        1.16
not applicable, no medication listed |      4,819       48.19       49.35
                        given in  ed |      2,772       27.72       77.07
                     rx at discharge |      1,833       18.33       95.40
            both given and rx marked |        460        4.60      100.00
-------------------------------------+-----------------------------------
                               Total |     10,000      100.00

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