Frequencies for first 10,000 rows of gpmed21 variable in nhamcsed2015 dataset : Medication #21 given in ED or Rx at | discharge | Freq. Percent Cum. -------------------------------------+----------------------------------- Blank | 1 0.01 0.01 Not applicable, no medication listed | 9,975 99.75 99.76 Given in ED | 17 0.17 99.93 RX at discharge | 4 0.04 99.97 Both given and RX marked | 3 0.03 100.00 -------------------------------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 20 Nov 2017