Frequencies for first 10,000 rows of med20 variable in nhamcsed2014 dataset : Medication 20 | Freq. Percent Cum. ----------------------------------------+----------------------------------- NO ENTRY MADE | 9,977 99.77 99.77 PROTONIX | 2 0.02 99.79 PREGABALIN | 1 0.01 99.80 EFFEXOR XR | 1 0.01 99.81 PERCOCET | 2 0.02 99.83 FOLIC ACID | 1 0.01 99.84 HEPARIN | 1 0.01 99.85 HEPARIN LOCK FLUSH SOLUTION | 1 0.01 99.86 HYDROXYCHLOROQUINE | 1 0.01 99.87 LASIX | 1 0.01 99.88 LORAZEPAM | 1 0.01 99.89 METRONIDAZOLE | 1 0.01 99.90 MILK OF MAGNESIA | 1 0.01 99.91 MINERAL OIL | 1 0.01 99.92 PHENYTOIN | 1 0.01 99.93 SUBLIMAZE | 1 0.01 99.94 VITAMIN B COMPLEX W/B-12 | 1 0.01 99.95 DEXTROSE W/POTASSIUM CHL | 1 0.01 99.96 OMEPRAZOLE | 1 0.01 99.97 AZITHROMYCIN | 1 0.01 99.98 ZOSYN | 1 0.01 99.99 RACEMIC EPINEPHRINE | 1 0.01 100.00 ----------------------------------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 11 Apr 2017