Frequencies for first 10,000 rows of drg3ing2 variable in nhamcsed2005 dataset : ing. #2 | Freq. Percent Cum. -------------------------------------+----------------------------------- benzocaine | 3 0.03 0.03 butalbital | 3 0.03 0.06 cetylpyridinium | 1 0.01 0.07 chloride ion | 4 0.04 0.11 chlorothymol | 1 0.01 0.12 diphenhydramine | 1 0.01 0.13 guaifenesin | 4 0.04 0.17 hydrocodone | 1 0.01 0.18 lidocaine | 2 0.02 0.20 methyl salicylate | 1 0.01 0.21 methylcellulose | 1 0.01 0.22 mineral oil | 1 0.01 0.23 pertussis vaccine | 1 0.01 0.24 phenobarbital | 1 0.01 0.25 prilocaine | 2 0.02 0.27 promethazine | 3 0.03 0.30 pseudoephedrine | 4 0.04 0.34 pyridoxine | 6 0.06 0.40 riboflavin | 1 0.01 0.41 scopolamine hbr | 10 0.10 0.51 sodium bicarbonate | 1 0.01 0.52 sodium chloride | 2 0.02 0.54 sodium hydroxide | 1 0.01 0.55 soybean oil | 2 0.02 0.57 tetanus toxoid | 8 0.08 0.65 trimethoprim | 20 0.20 0.85 water sterile | 2 0.02 0.87 loratadine | 1 0.01 0.88 salmeterol | 4 0.04 0.92 metformin | 1 0.01 0.93 magnesium hydroxide | 13 0.13 1.06 propoxyphene napsylate | 22 0.22 1.28 molasses | 2 0.02 1.30 polymyxin b sulfate | 3 0.03 1.33 bacitracin zinc | 2 0.02 1.35 hydrocodone bitartrate | 173 1.73 3.08 homatropine methyl bromide | 2 0.02 3.10 codeine phosphate | 20 0.20 3.30 ampicillin sodium | 6 0.06 3.36 phenylpropanolamine hcl | 1 0.01 3.37 pseudoephedrine hcl | 8 0.08 3.45 meperidine hcl | 1 0.01 3.46 phenergan | 1 0.01 3.47 oxycodone hcl | 46 0.46 3.93 tramadol hcl | 6 0.06 3.99 fexofenadine hcl | 1 0.01 4.00 pramoxine hcl | 1 0.01 4.01 dextromethorphan hbr | 1 0.01 4.02 clavulanate potassium | 11 0.11 4.13 chlordiazepoxide hcl | 1 0.01 4.14 albuterol sulfate | 4 0.04 4.18 neomycin sulfate | 3 0.03 4.21 carbinoxamine maleate | 3 0.03 4.24 phenylephrine tannate | 4 0.04 4.28 pyrilamine tannate | 1 0.01 4.29 promethazine hcl | 9 0.09 4.38 water | 1 0.01 4.39 ezetimibe | 1 0.01 4.40 losartan potassium | 1 0.01 4.41 sulfisoxazole acetyl | 2 0.02 4.43 hydrocodone polistirex | 2 0.02 4.45 tazobactam sodium | 6 0.06 4.51 . | 9,549 95.49 100.00 -------------------------------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016