Frequencies for first 10,000 rows of drg1ing3 variable in nhamcsopd2004 dataset : ingredient code #3 for medication | #1 | Freq. Percent Cum. ------------------------------------+----------------------------------- caffeine | 2 0.02 0.02 chlorobutanol | 1 0.01 0.03 coconut oil | 1 0.01 0.04 glycerin | 1 0.01 0.05 isometheptene mucate | 1 0.01 0.06 lidocaine | 1 0.01 0.07 magnesium antacids | 5 0.05 0.12 methotrexate | 1 0.01 0.13 multivitamins general | 5 0.05 0.18 multivitamins | 1 0.01 0.19 petrolatum | 2 0.02 0.21 phenylephrine | 5 0.05 0.26 pramoxine | 1 0.01 0.27 propoxyphene | 1 0.01 0.28 pseudoephedrine | 5 0.05 0.33 pyridoxine | 4 0.04 0.37 riboflavin | 323 3.23 3.60 rubella virus vaccine | 13 0.13 3.73 safflower oil | 2 0.02 3.75 sodium chloride | 1 0.01 3.76 starch | 1 0.01 3.77 tetanus toxoid | 2 0.02 3.79 tetracaine | 3 0.03 3.82 thiamine | 1 0.01 3.83 vitamin k | 1 0.01 3.84 vitamin b | 2 0.02 3.86 vitamin b complex | 1 0.01 3.87 haemophilus b conjugate vaccine | 1 0.01 3.88 carbohydrate(s) | 1 0.01 3.89 abacavir sulfate | 4 0.04 3.93 zinc chelate | 1 0.01 3.94 polymyxin b sulfate | 2 0.02 3.96 chlorpheniramine maleate | 2 0.02 3.98 norethindrone acetate | 1 0.01 3.99 pseudoephedrine hcl | 2 0.02 4.01 dextroamphetamine saccharate | 36 0.36 4.37 dextromethorphan hbr | 6 0.06 4.43 phenylephrine hcl | 1 0.01 4.44 neomycin sulfate | 7 0.07 4.51 pyrilamine maleate | 1 0.01 4.52 ertapenem sodium | 2 0.02 4.54 chlorophyllin copper complex | 1 0.01 4.55 tetanus vaccine | 36 0.36 4.91 mineral wax | 8 0.08 4.99 pertussis toxin | 13 0.13 5.12 . | 9,488 94.88 100.00 ------------------------------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016