Frequencies for first 10,000 rows of drg3ing1 variable in nhamcsopd2003 dataset : ingredient code #1 for medication | #3 | Freq. Percent Cum. ------------------------------------+----------------------------------- undetermined | 1 0.01 0.01 levonorgestrel | 1 0.01 0.02 acetaminophen | 44 0.44 0.46 amino acids | 1 0.01 0.47 amoxicillin | 7 0.07 0.54 amylase | 1 0.01 0.55 antipyrine | 1 0.01 0.56 aspirin | 2 0.02 0.58 bacitracin | 1 0.01 0.59 belladonna | 1 0.01 0.60 benazepril hydrochloride | 4 0.04 0.64 benzoyl peroxide | 1 0.01 0.65 benzyl alcohol | 2 0.02 0.67 caffeine | 1 0.01 0.68 casanthranol | 1 0.01 0.69 codeine | 1 0.01 0.70 dextromethorphan | 1 0.01 0.71 dextrose | 8 0.08 0.79 diphenoxylate | 1 0.01 0.80 diphtheria toxoid | 9 0.09 0.89 epinephrine | 1 0.01 0.90 ergocalciferol | 12 0.12 1.02 estrogens | 3 0.03 1.05 fluticasone propionate | 12 0.12 1.17 folic acid | 1 0.01 1.18 glyburide | 1 0.01 1.19 guaifenesin | 2 0.02 1.21 hepatitis b vaccine | 13 0.13 1.34 hydrochlorothiazide | 8 0.08 1.42 hydrocortisone | 4 0.04 1.46 ipratropium bromide | 7 0.07 1.53 lanolin | 1 0.01 1.54 measles virus vaccine | 6 0.06 1.60 minerals | 1 0.01 1.61 multivitamins general | 16 0.16 1.77 multivitamins | 3 0.03 1.80 pancreatin | 1 0.01 1.81 sodium hyaluronate | 1 0.01 1.82 sulfamethoxazole | 7 0.07 1.89 zidovudine | 2 0.02 1.91 desogestrel | 1 0.01 1.92 norgestimate | 1 0.01 1.93 dorzolamide hcl | 2 0.02 1.95 ritonavir | 3 0.03 1.98 polymyxin b | 2 0.02 2.00 ethinyl estradiol | 2 0.02 2.02 polymyxin b sulfate | 2 0.02 2.04 chlorpheniramine maleate | 2 0.02 2.06 brompheniramine maleate | 2 0.02 2.08 pseudoephedrine hcl | 6 0.06 2.14 amphetamine aspartate | 8 0.08 2.22 bupivacaine hcl | 4 0.04 2.26 chlorpheniramine tannate | 1 0.01 2.27 . | 9,773 97.73 100.00 ------------------------------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016