Frequencies for first 10,000 rows of drg7ing1 variable in nhamcsopd2005 dataset : ingredient code #1 for medication #7 | Freq. Percent Cum. -------------------------------------+----------------------------------- acetaminophen | 21 0.21 0.21 alcohol | 1 0.01 0.22 aluminum hydroxide | 5 0.05 0.27 amoxicillin | 2 0.02 0.29 aspirin | 2 0.02 0.31 atropine | 1 0.01 0.32 benzyl alcohol | 1 0.01 0.33 calcium carbonate | 1 0.01 0.34 ergocalciferol | 1 0.01 0.35 fluticasone propionate | 8 0.08 0.43 glyburide | 1 0.01 0.44 glyceryl | 1 0.01 0.45 hydrochlorothiazide | 2 0.02 0.47 ipratropium bromide | 1 0.01 0.48 iron preparations | 1 0.01 0.49 multivitamins general | 5 0.05 0.54 multivitamins | 1 0.01 0.55 norethindrone | 1 0.01 0.56 simvastatin | 2 0.02 0.58 metformin | 1 0.01 0.59 ritonavir | 1 0.01 0.60 ethinyl estradiol | 1 0.01 0.61 chlorpheniramin polistirex | 1 0.01 0.62 duloxetine hcl | 1 0.01 0.63 diclofenac sodium | 1 0.01 0.64 . | 9,936 99.36 100.00 -------------------------------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016