Frequencies for first 10,000 rows of drg6ing2 variable in nhamcsed2004 dataset : ingredient code #2 for medication | #6 | Freq. Percent Cum. ------------------------------------+----------------------------------- codeine | 1 0.01 0.01 iron preparations | 1 0.01 0.02 levodopa | 1 0.01 0.03 lipase | 1 0.01 0.04 methocarbamol | 1 0.01 0.05 mumps virus vaccine | 2 0.02 0.07 niacin | 1 0.01 0.08 pseudoephedrine | 1 0.01 0.09 pyridoxine | 1 0.01 0.10 scopolamine hbr | 2 0.02 0.12 tetanus toxoid | 1 0.01 0.13 triamterene | 1 0.01 0.14 trimethoprim | 1 0.01 0.15 vitamin c | 1 0.01 0.16 salmeterol | 2 0.02 0.18 lamivudine | 1 0.01 0.19 irbesartan | 1 0.01 0.20 magnesium hydroxide | 3 0.03 0.23 atropine sulfate | 1 0.01 0.24 propoxyphene napsylate | 2 0.02 0.26 bacitracin zinc | 1 0.01 0.27 hydrocodone bitartrate | 13 0.13 0.40 codeine phosphate | 3 0.03 0.43 ampicillin sodium | 1 0.01 0.44 phenylpropanolamine hcl | 2 0.02 0.46 oxycodone hcl | 5 0.05 0.51 clavulanate potassium | 1 0.01 0.52 albuterol sulfate | 2 0.02 0.54 neomycin sulfate | 4 0.04 0.58 lidocaine hcl | 2 0.02 0.60 promethazine hcl | 1 0.01 0.61 amlodipine besylate | 2 0.02 0.63 medroxyprogesterone acetate | 1 0.01 0.64 ticarcillin disodium | 1 0.01 0.65 tazobactam sodium | 1 0.01 0.66 . | 9,934 99.34 100.00 ------------------------------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016