Frequencies for first 10,000 rows of gpmed6 variable in nhamcsed2011 dataset :

      Given in ED or Rx at discharge |      Freq.     Percent        Cum.
-------------------------------------+-----------------------------------
                               Blank |         19        0.19        0.19
Not applicable, no medication listed |      9,459       94.59       94.78
                        Given in  ED |        320        3.20       97.98
                     RX at discharge |        173        1.73       99.71
            Both given and RX marked |         29        0.29      100.00
-------------------------------------+-----------------------------------
                               Total |     10,000      100.00

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