Frequencies for first 10,000 rows of drg2ing3 variable in nhamcsed2004 dataset : ingredient code #3 for medication | #2 | Freq. Percent Cum. ------------------------------------+----------------------------------- butabarbital | 1 0.01 0.01 caffeine | 6 0.06 0.07 lidocaine | 1 0.01 0.08 magnesium antacids | 5 0.05 0.13 mineral oil | 1 0.01 0.14 potassium iodide | 1 0.01 0.15 potassium ion | 1 0.01 0.16 pseudoephedrine | 3 0.03 0.19 pyridoxine | 1 0.01 0.20 riboflavin | 5 0.05 0.25 rubella virus vaccine | 2 0.02 0.27 scopolamine hbr | 2 0.02 0.29 sodium ion | 1 0.01 0.30 starch | 2 0.02 0.32 talc | 1 0.01 0.33 tetanus toxoid | 1 0.01 0.34 tetracaine | 1 0.01 0.35 thiamine | 1 0.01 0.36 polymyxin b | 1 0.01 0.37 magnesium hydroxide | 1 0.01 0.38 atropine sulfate | 13 0.13 0.51 polymyxin b sulfate | 1 0.01 0.52 dextroamphetamine saccharate | 1 0.01 0.53 dextromethorphan hbr | 7 0.07 0.60 phenylephrine hcl | 8 0.08 0.68 neomycin sulfate | 6 0.06 0.74 pyrilamine maleate | 1 0.01 0.75 carbinoxamine maleate | 3 0.03 0.78 pheniramine maleate | 1 0.01 0.79 carbetapentane tannate | 1 0.01 0.80 oxycodone terephthalate | 1 0.01 0.81 butyl aminobenzoate | 2 0.02 0.83 . | 9,917 99.17 100.00 ------------------------------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016