Frequencies for first 10,000 rows of gpmed18 variable in nhamcsed2014 dataset : Medication 18 given in ED or Rx at | discharge | Freq. Percent Cum. -------------------------------------+----------------------------------- Blank | 1 0.01 0.01 Not applicable, no medication listed | 9,970 99.70 99.71 Given in ED | 26 0.26 99.97 RX at discharge | 3 0.03 100.00 -------------------------------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 11 Apr 2017