Frequencies for first 10,000 rows of drg3ing2 variable in nhamcsopd2003 dataset : ingredient code #2 for medication | #3 | Freq. Percent Cum. ------------------------------------+----------------------------------- acacia gum | 1 0.01 0.01 acetaminophen | 1 0.01 0.02 benzocaine | 1 0.01 0.03 butalbital | 1 0.01 0.04 butamben | 1 0.01 0.05 calcium | 1 0.01 0.06 chlorpheniramine | 1 0.01 0.07 dichloralphenazone | 1 0.01 0.08 diphenhydramine | 1 0.01 0.09 erythromycin | 1 0.01 0.10 guaifenesin | 1 0.01 0.11 iodochlorhydroxyquin | 1 0.01 0.12 lipase | 1 0.01 0.13 magnesium acetate | 8 0.08 0.21 methyltestosterone | 1 0.01 0.22 multivitamins general | 1 0.01 0.23 mumps virus vaccine | 6 0.06 0.29 pertussis vaccine | 8 0.08 0.37 petrolatum | 1 0.01 0.38 promethazine | 1 0.01 0.39 protein supplement | 2 0.02 0.41 pyridoxine | 13 0.13 0.54 soybean oil | 1 0.01 0.55 tetanus toxoid | 1 0.01 0.56 triamterene | 6 0.06 0.62 trimethoprim | 7 0.07 0.69 vitamin c | 1 0.01 0.70 haemophilus b conjugate vaccine | 13 0.13 0.83 salmeterol | 12 0.12 0.95 lamivudine | 2 0.02 0.97 metformin | 1 0.01 0.98 ethinyl estradiol | 2 0.02 1.00 atropine sulfate | 1 0.01 1.01 propoxyphene napsylate | 8 0.08 1.09 lopinavir | 3 0.03 1.12 polymyxin b sulfate | 4 0.04 1.16 bacitracin zinc | 2 0.02 1.18 hydrocodone bitartrate | 15 0.15 1.33 codeine phosphate | 6 0.06 1.39 methscopolamine nitrate | 1 0.01 1.40 pseudoephedrine hcl | 2 0.02 1.42 amphetamine sulfate | 8 0.08 1.50 docusate sodium | 1 0.01 1.51 oxycodone hcl | 15 0.15 1.66 fexofenadine hcl | 5 0.05 1.71 dextromethorphan hbr | 2 0.02 1.73 clavulanate potassium | 7 0.07 1.80 ergotamine tartrate | 1 0.01 1.81 albuterol sulfate | 7 0.07 1.88 neomycin sulfate | 1 0.01 1.89 timolol maleate | 2 0.02 1.91 lidocaine hcl | 1 0.01 1.92 epinephrine bitartrate | 4 0.04 1.96 phenylephrine tannate | 1 0.01 1.97 trimethoprim sulfate | 1 0.01 1.98 norelgestromin | 2 0.02 2.00 cetirizine hcl | 1 0.01 2.01 losartan potassium | 2 0.02 2.03 amlodipine besylate | 4 0.04 2.07 medroxyprogesterone acetate | 2 0.02 2.09 sodium chondroitin sulfate | 1 0.01 2.10 . | 9,790 97.90 100.00 ------------------------------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016