Frequencies for first 10,000 rows of gpmed19 variable in nhamcsed2014 dataset : Medication 19 given in ED or Rx at | discharge | Freq. Percent Cum. -------------------------------------+----------------------------------- Blank | 1 0.01 0.01 Not applicable, no medication listed | 9,973 99.73 99.74 Given in ED | 19 0.19 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 , 11 Apr 2017