Frequencies for first 10,000 rows of gpmed18 variable in nhamcsed2015 dataset : Medication #18 given in ED or Rx at | discharge | Freq. Percent Cum. -------------------------------------+----------------------------------- Blank | 1 0.01 0.01 Not applicable, no medication listed | 9,958 99.58 99.59 Given in ED | 22 0.22 99.81 RX at discharge | 13 0.13 99.94 Both given and RX marked | 6 0.06 100.00 -------------------------------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 20 Nov 2017