Frequencies for first 10,000 rows of med18 variable in nhamcsed2014 dataset : Medication 18 | Freq. Percent Cum. ----------------------------------------+----------------------------------- NO ENTRY MADE | 9,970 99.70 99.70 ADVAIR DISKUS | 1 0.01 99.71 DUONEB | 1 0.01 99.72 PULMICORT | 1 0.01 99.73 HEPARIN SODIUM | 1 0.01 99.74 DEXTROSE | 1 0.01 99.75 ZOLPIDEM | 1 0.01 99.76 DOPAMINE | 1 0.01 99.77 DULCOLAX | 1 0.01 99.78 PERCOCET | 1 0.01 99.79 FERROUS SULFATE | 1 0.01 99.80 FOLIC ACID | 2 0.02 99.82 KAYEXALATE | 1 0.01 99.83 METOPROLOL | 2 0.02 99.85 SODIUM CHLORIDE | 1 0.01 99.86 SUBLIMAZE | 1 0.01 99.87 TYLENOL | 1 0.01 99.88 PSYLLIUM | 1 0.01 99.89 OMNIPAQUE | 1 0.01 99.90 VERSED | 1 0.01 99.91 ZOFRAN | 2 0.02 99.93 VENLAFAXINE | 1 0.01 99.94 NEURONTIN | 1 0.01 99.95 OXYCONTIN | 1 0.01 99.96 AEROCHAMBER | 1 0.01 99.97 NORCO | 1 0.01 99.98 PLAVIX | 1 0.01 99.99 CEFEPIME | 1 0.01 100.00 ----------------------------------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 11 Apr 2017