Frequencies for first 10,000 rows of gpmed21 variable in nhamcsed2014 dataset : Medication 21 given in ED or Rx at | discharge | Freq. Percent Cum. -------------------------------------+----------------------------------- Blank | 1 0.01 0.01 Not applicable, no medication listed | 9,981 99.81 99.82 Given in ED | 15 0.15 99.97 RX at discharge | 2 0.02 99.99 Both given and RX marked | 1 0.01 100.00 -------------------------------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 11 Apr 2017