Frequencies for first 10,000 rows of drg3ing2 variable in nhamcsed2003 dataset : ingredient code #2 for medication | #3 | Freq. Percent Cum. ------------------------------------+----------------------------------- benzocaine | 3 0.03 0.03 butalbital | 1 0.01 0.04 caffeine | 2 0.02 0.06 cetylpyridinium | 1 0.01 0.07 chloride ion | 2 0.02 0.09 chlorpheniramine | 1 0.01 0.10 codeine | 1 0.01 0.11 dipyridamole | 1 0.01 0.12 guaifenesin | 2 0.02 0.14 hydrocodone | 1 0.01 0.15 hydrocortisone | 3 0.03 0.18 imipenem | 1 0.01 0.19 iodinated glycerol | 3 0.03 0.22 lipase | 1 0.01 0.23 multivitamins | 1 0.01 0.24 niacin | 1 0.01 0.25 pectin | 1 0.01 0.26 petrolatum | 1 0.01 0.27 phenobarbital | 1 0.01 0.28 phenylephrine | 1 0.01 0.29 promethazine | 6 0.06 0.35 pseudoephedrine | 5 0.05 0.40 pyridoxine | 5 0.05 0.45 scopolamine hbr | 8 0.08 0.53 simethicone | 2 0.02 0.55 sodium chloride | 1 0.01 0.56 tetanus toxoid | 12 0.12 0.68 tetracaine | 1 0.01 0.69 triamterene | 5 0.05 0.74 trimethoprim | 14 0.14 0.88 water sterile | 1 0.01 0.89 salmeterol | 6 0.06 0.95 metformin | 3 0.03 0.98 sodium biphosphate | 1 0.01 0.99 ethinyl estradiol | 2 0.02 1.01 penicillin g benzathine | 2 0.02 1.03 magnesium hydroxide | 17 0.17 1.20 atropine sulfate | 2 0.02 1.22 propoxyphene napsylate | 25 0.25 1.47 molasses | 1 0.01 1.48 polymyxin b sulfate | 6 0.06 1.54 bacitracin zinc | 1 0.01 1.55 hydrocodone bitartrate | 138 1.38 2.93 homatropine methyl bromide | 2 0.02 2.95 chlorpheniramine maleate | 4 0.04 2.99 codeine phosphate | 27 0.27 3.26 ampicillin sodium | 1 0.01 3.27 phenylpropanolamine hcl | 4 0.04 3.31 pseudoephedrine hcl | 2 0.02 3.33 amphetamine sulfate | 1 0.01 3.34 oxycodone hcl | 42 0.42 3.76 tramadol hcl | 2 0.02 3.78 fexofenadine hcl | 2 0.02 3.80 pramoxine hcl | 1 0.01 3.81 clavulanate potassium | 14 0.14 3.95 phenylephrine hcl | 1 0.01 3.96 albuterol sulfate | 3 0.03 3.99 neomycin sulfate | 8 0.08 4.07 lidocaine hcl | 3 0.03 4.10 carbinoxamine maleate | 7 0.07 4.17 phenylephrine tannate | 2 0.02 4.19 pyrilamine tannate | 1 0.01 4.20 losartan potassium | 1 0.01 4.21 amlodipine besylate | 1 0.01 4.22 sulfisoxazole acetyl | 1 0.01 4.23 hydrocodone polistirex | 1 0.01 4.24 tazobactam sodium | 1 0.01 4.25 lisinopril | 1 0.01 4.26 . | 9,574 95.74 100.00 ------------------------------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016