Frequencies for first 10,000 rows of drg5ing2 variable in nhamcsed2005 dataset : ing. #2 | Freq. Percent Cum. -------------------------------------+----------------------------------- acetaminophen | 1 0.01 0.01 butalbital | 1 0.01 0.02 caffeine | 1 0.01 0.03 chloride ion | 1 0.01 0.04 pyridoxine | 1 0.01 0.05 riboflavin | 1 0.01 0.06 scopolamine hbr | 1 0.01 0.07 sodium chloride | 1 0.01 0.08 tobramycin | 1 0.01 0.09 triamterene | 1 0.01 0.10 trimethoprim | 4 0.04 0.14 vitamin b complex | 1 0.01 0.15 salmeterol | 1 0.01 0.16 metformin | 1 0.01 0.17 magnesium hydroxide | 1 0.01 0.18 atropine sulfate | 1 0.01 0.19 propoxyphene napsylate | 6 0.06 0.25 bacitracin zinc | 1 0.01 0.26 hydrocodone bitartrate | 40 0.40 0.66 codeine phosphate | 3 0.03 0.69 phenyltoloxamine citrate | 1 0.01 0.70 oxycodone hcl | 10 0.10 0.80 magnesium citrate | 1 0.01 0.81 normal saline | 1 0.01 0.82 clavulanate potassium | 2 0.02 0.84 albuterol sulfate | 2 0.02 0.86 norelgestromin | 1 0.01 0.87 sulfisoxazole acetyl | 1 0.01 0.88 tazobactam sodium | 1 0.01 0.89 . | 9,911 99.11 100.00 -------------------------------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016