Frequencies for first 10,000 rows of drg5ing3 variable in namcs2002 dataset : Ingredient | code #3 for | medication | #5 | Freq. Percent Cum. ------------+----------------------------------- | 9,987 99.87 99.87 50745 | 1 0.01 99.88 51960 | 2 0.02 99.90 52908 | 1 0.01 99.91 54157 | 1 0.01 99.92 54990 | 1 0.01 99.93 55755 | 5 0.05 99.98 70054 | 1 0.01 99.99 70433 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016