Frequencies for first 10,000 rows of drg1ing2 variable in nhamcsed2005 dataset : ing. #2 | Freq. Percent Cum. -------------------------------------+----------------------------------- acacia gum | 3 0.03 0.03 acetaminophen | 1 0.01 0.04 aspirin | 1 0.01 0.05 benzocaine | 3 0.03 0.08 benzyl benzoate | 1 0.01 0.09 bismuth oxide | 1 0.01 0.10 butalbital | 6 0.06 0.16 caffeine | 4 0.04 0.20 camphor | 1 0.01 0.21 castor oil | 1 0.01 0.22 cetylpyridinium | 4 0.04 0.26 chloride ion | 12 0.12 0.38 codeine | 2 0.02 0.40 dexamethasone | 2 0.02 0.42 dextromethorphan | 1 0.01 0.43 dichloralphenazone | 1 0.01 0.44 dipyridamole | 1 0.01 0.45 docusate | 1 0.01 0.46 guaifenesin | 1 0.01 0.47 hydrocodone | 5 0.05 0.52 iron preparations | 1 0.01 0.53 lidocaine | 4 0.04 0.57 magnesium antacids | 1 0.01 0.58 methyl salicylate | 1 0.01 0.59 mineral oil | 1 0.01 0.60 multivitamins general | 1 0.01 0.61 neomycin | 4 0.04 0.65 niacin | 2 0.02 0.67 pertussis vaccine | 1 0.01 0.68 petrolatum | 1 0.01 0.69 phenobarbital | 4 0.04 0.73 phenylpropanolamine | 1 0.01 0.74 promethazine | 5 0.05 0.79 propoxyphene | 1 0.01 0.80 pseudoephedrine | 1 0.01 0.81 pyridoxine | 9 0.09 0.90 scopolamine hbr | 8 0.08 0.98 sodium bicarbonate | 3 0.03 1.01 sodium chloride | 1 0.01 1.02 soybean oil | 3 0.03 1.05 testosterone | 1 0.01 1.06 tetanus toxoid | 73 0.73 1.79 tobramycin | 2 0.02 1.81 triamterene | 2 0.02 1.83 trimethoprim | 96 0.96 2.79 vitamin d | 1 0.01 2.80 water sterile | 1 0.01 2.81 salmeterol | 2 0.02 2.83 metformin | 1 0.01 2.84 sodium biphosphate | 3 0.03 2.87 ethinyl estradiol | 1 0.01 2.88 penicillin g benzathine | 2 0.02 2.90 magnesium hydroxide | 22 0.22 3.12 atropine sulfate | 4 0.04 3.16 propoxyphene napsylate | 72 0.72 3.88 molasses | 2 0.02 3.90 polymyxin b sulfate | 6 0.06 3.96 bacitracin zinc | 3 0.03 3.99 hydrocodone bitartrate | 494 4.94 8.93 homatropine methyl bromide | 1 0.01 8.94 chlorpheniramine maleate | 3 0.03 8.97 codeine phosphate | 77 0.77 9.74 ampicillin sodium | 10 0.10 9.84 phenylpropanolamine hcl | 2 0.02 9.86 pseudoephedrine hcl | 4 0.04 9.90 oxycodone hcl | 154 1.54 11.44 tramadol hcl | 11 0.11 11.55 fexofenadine hcl | 1 0.01 11.56 pramoxine hcl | 2 0.02 11.58 dextromethorphan hbr | 1 0.01 11.59 clavulanate potassium | 69 0.69 12.28 albuterol sulfate | 31 0.31 12.59 neomycin sulfate | 16 0.16 12.75 lidocaine hcl | 7 0.07 12.82 epinephrine bitartrate | 1 0.01 12.83 pyrilamine maleate | 1 0.01 12.84 carbinoxamine maleate | 3 0.03 12.87 promethazine hcl | 2 0.02 12.89 trimethoprim sulfate | 7 0.07 12.96 amlodipine besylate | 1 0.01 12.97 sulfisoxazole acetyl | 3 0.03 13.00 ticarcillin disodium | 1 0.01 13.01 hydrocodone polistirex | 2 0.02 13.03 tazobactam sodium | 5 0.05 13.08 monobasic sodium phosphate | 1 0.01 13.09 . | 8,691 86.91 100.00 -------------------------------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016