Frequencies for first 10,000 rows of drg7ing2 variable in nhamcsed2004 dataset : ingredient code #2 for medication | #7 | Freq. Percent Cum. ------------------------------------+----------------------------------- mumps virus vaccine | 3 0.03 0.03 progesterone | 1 0.01 0.04 pyridoxine | 3 0.03 0.07 scopolamine hbr | 3 0.03 0.10 tetanus toxoid | 2 0.02 0.12 tobramycin | 1 0.01 0.13 triamterene | 1 0.01 0.14 trimethoprim | 3 0.03 0.17 salmeterol | 3 0.03 0.20 metformin | 1 0.01 0.21 sodium biphosphate | 1 0.01 0.22 magnesium hydroxide | 2 0.02 0.24 atropine sulfate | 1 0.01 0.25 propoxyphene napsylate | 6 0.06 0.31 polymyxin b sulfate | 1 0.01 0.32 hydrocodone bitartrate | 7 0.07 0.39 ampicillin sodium | 1 0.01 0.40 clavulanate potassium | 2 0.02 0.42 lidocaine hcl | 1 0.01 0.43 trimethoprim sulfate | 1 0.01 0.44 verapamil hcl | 1 0.01 0.45 sulfisoxazole acetyl | 1 0.01 0.46 enalapril maleate | 1 0.01 0.47 tazobactam sodium | 1 0.01 0.48 lisinopril | 1 0.01 0.49 . | 9,951 99.51 100.00 ------------------------------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016