Frequencies for first 10,000 rows of drg3ing1 variable in nhamcsed2005 dataset : ing. #1 | Freq. Percent Cum. -------------------------------------+----------------------------------- acetaminophen | 267 2.67 2.67 alcohol | 1 0.01 2.68 aluminum hydroxide | 13 0.13 2.81 amoxicillin | 11 0.11 2.92 antipyrine | 3 0.03 2.95 bacitracin | 1 0.01 2.96 belladonna | 1 0.01 2.97 benzyl alcohol | 2 0.02 2.99 boric acid | 1 0.01 3.00 calcium ion | 4 0.04 3.04 chlorpheniramine | 1 0.01 3.05 clidinium bromide | 1 0.01 3.06 codeine | 5 0.05 3.11 dextran | 1 0.01 3.12 dextromethorphan | 3 0.03 3.15 dextrose | 2 0.02 3.17 diphtheria toxoid | 9 0.09 3.26 epinephrine | 2 0.02 3.28 ergocalciferol | 6 0.06 3.34 fluticasone propionate | 4 0.04 3.38 glyburide | 1 0.01 3.39 guaifenesin | 12 0.12 3.51 hydrochlorothiazide | 1 0.01 3.52 hydrocortisone | 2 0.02 3.54 ibuprofen | 1 0.01 3.55 ipratropium bromide | 4 0.04 3.59 lanolin | 1 0.01 3.60 lidocaine | 2 0.02 3.62 menthol | 1 0.01 3.63 milk solids nonfat | 2 0.02 3.65 multivitamins general | 3 0.03 3.68 niacinamide | 1 0.01 3.69 phenobarbital | 10 0.10 3.79 polyethylene glycol | 1 0.01 3.80 potassium replacement solutions | 1 0.01 3.81 pseudoephedrine | 1 0.01 3.82 soap | 1 0.01 3.83 sodium bicarbonate | 2 0.02 3.85 sulbactin sodium | 6 0.06 3.91 sulfamethoxazole | 20 0.20 4.11 simvastatin | 1 0.01 4.12 polymyxin b | 2 0.02 4.14 atropine sulfate | 1 0.01 4.15 triprolidine hcl | 1 0.01 4.16 polymyxin b sulfate | 3 0.03 4.19 hydrocodone bitartrate | 2 0.02 4.21 chlorpheniramine maleate | 1 0.01 4.22 brompheniramine maleate | 3 0.03 4.25 pseudoephedrine hcl | 5 0.05 4.30 meperidine hcl | 9 0.09 4.39 hydrocortisone acetate | 1 0.01 4.40 chlorpheniramine tannate | 3 0.03 4.43 phenylephrine tannate | 1 0.01 4.44 erythromycin ethylsuccinate | 2 0.02 4.46 chlorpheniramin polistirex | 2 0.02 4.48 piperacillin sodium | 6 0.06 4.54 . | 9,546 95.46 100.00 -------------------------------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016