Frequencies for first 10,000 rows of drg4ing1 variable in nhamcsopd2005 dataset : ingredient code #1 for medication #4 | Freq. Percent Cum. -------------------------------------+----------------------------------- undetermined | 1 0.01 0.01 acetaminophen | 24 0.24 0.25 alcohol | 3 0.03 0.28 aluminum hydroxide | 5 0.05 0.33 aluminum sulfate | 1 0.01 0.34 amoxicillin | 2 0.02 0.36 amylase | 1 0.01 0.37 aspirin | 1 0.01 0.38 bacitracin | 1 0.01 0.39 benazepril hydrochloride | 1 0.01 0.40 benzyl alcohol | 1 0.01 0.41 biotin | 1 0.01 0.42 calcium | 1 0.01 0.43 calcium carbonate | 2 0.02 0.45 calcium ion | 1 0.01 0.46 casanthranol | 1 0.01 0.47 clotrimazole | 1 0.01 0.48 dextromethorphan | 1 0.01 0.49 diphtheria toxoid | 5 0.05 0.54 ergocalciferol | 11 0.11 0.65 fluticasone propionate | 15 0.15 0.80 folic acid | 2 0.02 0.82 glyburide | 1 0.01 0.83 guaifenesin | 2 0.02 0.85 hepatitis b vaccine | 5 0.05 0.90 hydrochlorothiazide | 8 0.08 0.98 hydrocortisone | 2 0.02 1.00 hyoscyamine | 1 0.01 1.01 insulin | 1 0.01 1.02 ipratropium bromide | 3 0.03 1.05 lanolin | 1 0.01 1.06 measles virus vaccine | 1 0.01 1.07 melphalan | 1 0.01 1.08 mineral oil | 1 0.01 1.09 multivitamins general | 25 0.25 1.34 niacinamide | 1 0.01 1.35 norethindrone | 1 0.01 1.36 papain | 1 0.01 1.37 sodium phosphate | 1 0.01 1.38 sulbactin sodium | 1 0.01 1.39 sulfamethoxazole | 5 0.05 1.44 zidovudine | 5 0.05 1.49 simvastatin | 1 0.01 1.50 dorzolamide hcl | 1 0.01 1.51 metformin | 1 0.01 1.52 ritonavir | 1 0.01 1.53 polymyxin b sulfate | 1 0.01 1.54 chlorpheniramine maleate | 1 0.01 1.55 brompheniramine maleate | 1 0.01 1.56 phenylpropanolamine hcl | 1 0.01 1.57 amphetamine aspartate | 4 0.04 1.61 phenylephrine hcl | 1 0.01 1.62 phenylephrine tannate | 4 0.04 1.66 memantine hcl | 1 0.01 1.67 emtricitabine | 1 0.01 1.68 duloxetine hcl | 1 0.01 1.69 . | 9,831 98.31 100.00 -------------------------------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016