Frequencies for first 10,000 rows of drg6ing2 variable in nhamcsopd2005 dataset : ingredient code #2 for medication #6 | Freq. Percent Cum. -------------------------------------+----------------------------------- butalbital | 2 0.02 0.02 dichloralphenazone | 2 0.02 0.04 hydrocodone | 1 0.01 0.05 multivitamins | 2 0.02 0.07 mumps virus vaccine | 1 0.01 0.08 pertussis vaccine | 2 0.02 0.10 petrolatum | 1 0.01 0.11 propranolol | 1 0.01 0.12 pyridoxine | 2 0.02 0.14 riboflavin | 1 0.01 0.15 trimethoprim | 1 0.01 0.16 vitamin b-12 | 1 0.01 0.17 vitamin c | 2 0.02 0.19 vitamin d | 1 0.01 0.20 salmeterol | 5 0.05 0.25 bisoprolol fumarate | 1 0.01 0.26 lamivudine | 1 0.01 0.27 vitamins | 1 0.01 0.28 valsartan | 1 0.01 0.29 irbesartan | 1 0.01 0.30 magnesium hydroxide | 3 0.03 0.33 hydrocodone bitartrate | 7 0.07 0.40 codeine phosphate | 1 0.01 0.41 docusate sodium | 1 0.01 0.42 ephedrine sulfate | 1 0.01 0.43 oxycodone hcl | 3 0.03 0.46 tramadol hcl | 1 0.01 0.47 fexofenadine hcl | 1 0.01 0.48 albuterol sulfate | 3 0.03 0.51 promethazine hcl | 1 0.01 0.52 losartan potassium | 2 0.02 0.54 diphenhydramine tannate | 1 0.01 0.55 lisinopril | 1 0.01 0.56 . | 9,944 99.44 100.00 -------------------------------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016