Frequencies for first 10,000 rows of drg2ing2 variable in nhamcsed2005 dataset : ing. #2 | Freq. Percent Cum. -------------------------------------+----------------------------------- acacia gum | 5 0.05 0.05 aspirin | 2 0.02 0.07 benzocaine | 14 0.14 0.21 butalbital | 2 0.02 0.23 caffeine | 2 0.02 0.25 chloride ion | 4 0.04 0.29 coal tar | 1 0.01 0.30 codeine | 1 0.01 0.31 dehydrocholic acid | 1 0.01 0.32 dichloralphenazone | 3 0.03 0.35 dipyridamole | 1 0.01 0.36 ergocalciferol | 2 0.02 0.38 guaifenesin | 3 0.03 0.41 hydrocodone | 4 0.04 0.45 hyoscyamine | 1 0.01 0.46 levodopa | 1 0.01 0.47 lidocaine | 1 0.01 0.48 methylene blue | 1 0.01 0.49 mineral oil | 1 0.01 0.50 neomycin | 1 0.01 0.51 niacin | 2 0.02 0.53 norepinephrine | 1 0.01 0.54 oxycodone | 1 0.01 0.55 pectin | 1 0.01 0.56 phenobarbital | 4 0.04 0.60 promethazine | 3 0.03 0.63 pseudoephedrine | 1 0.01 0.64 pyridoxine | 3 0.03 0.67 reserpine | 1 0.01 0.68 scopolamine hbr | 13 0.13 0.81 sodium chloride | 2 0.02 0.83 soybean oil | 1 0.01 0.84 tetanus toxoid | 16 0.16 1.00 tobramycin | 1 0.01 1.01 triamterene | 2 0.02 1.03 trimethoprim | 35 0.35 1.38 vitamin a | 1 0.01 1.39 vitamin d | 1 0.01 1.40 water sterile | 2 0.02 1.42 loratadine | 1 0.01 1.43 salmeterol | 1 0.01 1.44 metformin | 1 0.01 1.45 vitamins | 1 0.01 1.46 sodium biphosphate | 3 0.03 1.49 ethinyl estradiol | 3 0.03 1.52 magnesium hydroxide | 18 0.18 1.70 atropine sulfate | 5 0.05 1.75 propoxyphene napsylate | 38 0.38 2.13 polymyxin b sulfate | 12 0.12 2.25 bacitracin zinc | 3 0.03 2.28 hydrocodone bitartrate | 281 2.81 5.09 homatropine methyl bromide | 4 0.04 5.13 chlorpheniramine maleate | 6 0.06 5.19 codeine phosphate | 55 0.55 5.74 ampicillin sodium | 3 0.03 5.77 phenylpropanolamine hcl | 5 0.05 5.82 pseudoephedrine hcl | 11 0.11 5.93 docusate sodium | 1 0.01 5.94 oxycodone hcl | 70 0.70 6.64 tramadol hcl | 8 0.08 6.72 triamcinolone acetonide | 2 0.02 6.74 dextromethorphan hbr | 1 0.01 6.75 clavulanate potassium | 34 0.34 7.09 phenylephrine hcl | 1 0.01 7.10 albuterol sulfate | 9 0.09 7.19 neomycin sulfate | 14 0.14 7.33 lidocaine hcl | 1 0.01 7.34 carbinoxamine maleate | 3 0.03 7.37 phenylephrine tannate | 1 0.01 7.38 promethazine hcl | 2 0.02 7.40 betamethasone dipropionate | 3 0.03 7.43 sulfisoxazole acetyl | 1 0.01 7.44 hydrocodone polistirex | 3 0.03 7.47 tazobactam sodium | 5 0.05 7.52 diphenhydramine tannate | 2 0.02 7.54 lisinopril | 1 0.01 7.55 . | 9,245 92.45 100.00 -------------------------------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016