Frequencies for first 10,000 rows of med21 variable in nhamcsed2015 dataset : Medication #21 | Freq. Percent Cum. ----------------------------------------+----------------------------------- NO ENTRY MADE | 9,975 99.75 99.75 NEXIUM | 1 0.01 99.76 FOLTX | 1 0.01 99.77 PIOGLITAZONE HCL | 1 0.01 99.78 ASPIRIN | 1 0.01 99.79 CALCIUM CARBONATE | 1 0.01 99.80 LEVEMIR | 2 0.02 99.82 TAMSULOSIN | 1 0.01 99.83 DILTIAZEM CD | 1 0.01 99.84 PACKED RED BLOOD CELLS | 1 0.01 99.85 DILAUDID | 1 0.01 99.86 INSULIN LISPRO MIX | 1 0.01 99.87 PERCOCET | 1 0.01 99.88 GLUCAGON | 1 0.01 99.89 LACTULOSE | 1 0.01 99.90 PHENERGAN | 1 0.01 99.91 SODIUM CHLORIDE | 1 0.01 99.92 TYLENOL | 1 0.01 99.93 DESYREL | 1 0.01 99.94 OMEPRAZOLE | 1 0.01 99.95 PAXIL | 1 0.01 99.96 KETOROLAC | 1 0.01 99.97 PNEUMOCOCCAL VACCINE | 1 0.01 99.98 MAXIPIME | 1 0.01 99.99 QUETIAPINE FUMARATE | 1 0.01 100.00 ----------------------------------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 20 Nov 2017