Frequencies for first 10,000 rows of drg5ing1 variable in nhamcsed2003 dataset : ingredient code #1 for medication | #5 | Freq. Percent Cum. ------------------------------------+----------------------------------- acetaminophen | 43 0.43 0.43 aluminum hydroxide | 4 0.04 0.47 amoxicillin | 3 0.03 0.50 antipyrine | 1 0.01 0.51 bismuth anti-diarrhea agents | 1 0.01 0.52 dextromethorphan | 3 0.03 0.55 dextrose | 1 0.01 0.56 diphtheria toxoid | 2 0.02 0.58 ergocalciferol | 3 0.03 0.61 estrogens | 1 0.01 0.62 fluticasone propionate | 3 0.03 0.65 folic acid | 2 0.02 0.67 glyburide | 2 0.02 0.69 guaifenesin | 1 0.01 0.70 hydrochlorothiazide | 2 0.02 0.72 hyoscyamine | 1 0.01 0.73 ibuprofen | 1 0.01 0.74 ipratropium bromide | 5 0.05 0.79 methscopolamine | 1 0.01 0.80 minerals | 1 0.01 0.81 multivitamins general | 4 0.04 0.85 phenobarbital | 3 0.03 0.88 sodium phosphate | 2 0.02 0.90 sulbactin sodium | 1 0.01 0.91 sulfamethoxazole | 10 0.10 1.01 dorzolamide hcl | 1 0.01 1.02 ritonavir | 1 0.01 1.03 polymyxin b sulfate | 1 0.01 1.04 meperidine hcl | 1 0.01 1.05 dextromethorphan hbr | 1 0.01 1.06 erythromycin ethylsuccinate | 1 0.01 1.07 piperacillin sodium | 2 0.02 1.09 . | 9,891 98.91 100.00 ------------------------------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016