Frequencies for first 10,000 rows of gpmed20 variable in nhamcsed2015 dataset : Medication #20 given in ED or Rx at | discharge | Freq. Percent Cum. -------------------------------------+----------------------------------- Blank | 1 0.01 0.01 Not applicable, no medication listed | 9,971 99.71 99.72 Given in ED | 18 0.18 99.90 RX at discharge | 6 0.06 99.96 Both given and RX marked | 4 0.04 100.00 -------------------------------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 20 Nov 2017