Frequencies for first 10,000 rows of drg5ing1 variable in nhamcsopd2004 dataset : ingredient code #1 for medication | #5 | Freq. Percent Cum. ------------------------------------+----------------------------------- acetaminophen | 19 0.19 0.19 amoxicillin | 5 0.05 0.24 aspirin | 1 0.01 0.25 atenolol | 1 0.01 0.26 benazepril hydrochloride | 1 0.01 0.27 biotin | 1 0.01 0.28 brompheniramine | 1 0.01 0.29 calcium carbonate | 1 0.01 0.30 calcium ion | 2 0.02 0.32 carbidopa | 2 0.02 0.34 casanthranol | 1 0.01 0.35 citric acid | 1 0.01 0.36 clotrimazole | 1 0.01 0.37 dextrose | 1 0.01 0.38 diphtheria toxoid | 2 0.02 0.40 enalapril | 1 0.01 0.41 ergocalciferol | 6 0.06 0.47 estradiol | 1 0.01 0.48 estrogens | 1 0.01 0.49 fluticasone propionate | 9 0.09 0.58 glyburide | 1 0.01 0.59 guaifenesin | 1 0.01 0.60 hydrochlorothiazide | 8 0.08 0.68 ipratropium bromide | 8 0.08 0.76 magnesium chloride | 1 0.01 0.77 measles virus vaccine | 1 0.01 0.78 mineral oil | 2 0.02 0.80 multivitamins general | 16 0.16 0.96 multivitamins | 3 0.03 0.99 niacinamide | 1 0.01 1.00 perphenazine | 1 0.01 1.01 sulfamethoxazole | 4 0.04 1.05 vitamin c | 1 0.01 1.06 zidovudine | 1 0.01 1.07 vitamin b complex | 1 0.01 1.08 simvastatin | 1 0.01 1.09 chondroitin sulfate | 1 0.01 1.10 metformin | 1 0.01 1.11 ritonavir | 2 0.02 1.13 ethinyl estradiol | 2 0.02 1.15 pseudoephedrine hcl | 4 0.04 1.19 bupivacaine hcl | 1 0.01 1.20 memantine hcl | 1 0.01 1.21 diclofenac sodium | 1 0.01 1.22 . | 9,878 98.78 100.00 ------------------------------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016