Frequencies for first 10,000 rows of drg1ing3 variable in nhamcsed2005 dataset : ing. #3 | Freq. Percent Cum. -------------------------------------+----------------------------------- bismuth anti-diarrhea agents | 1 0.01 0.01 bismuth, external | 1 0.01 0.02 caffeine | 7 0.07 0.09 codeine | 2 0.02 0.11 eucalyptus oil | 1 0.01 0.12 isometheptene mucate | 1 0.01 0.13 magnesium antacids | 12 0.12 0.25 multivitamins | 1 0.01 0.26 petrolatum | 2 0.02 0.28 phenacetin | 1 0.01 0.29 phenylephrine | 3 0.03 0.32 pyridoxine | 3 0.03 0.35 pyrilamine | 1 0.01 0.36 riboflavin | 9 0.09 0.45 scopolamine hbr | 3 0.03 0.48 sodium chloride | 3 0.03 0.51 starch | 3 0.03 0.54 talc | 1 0.01 0.55 tetanus toxoid | 1 0.01 0.56 tetracaine | 4 0.04 0.60 polymyxin b | 3 0.03 0.63 atropine sulfate | 8 0.08 0.71 polymyxin b sulfate | 4 0.04 0.75 pseudoephedrine hcl | 1 0.01 0.76 dextromethorphan hbr | 3 0.03 0.79 phenylephrine hcl | 3 0.03 0.82 neomycin sulfate | 6 0.06 0.88 pheniramine maleate | 1 0.01 0.89 orphenadrine citrate | 1 0.01 0.90 . | 9,910 99.10 100.00 -------------------------------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016