Frequencies for first 10,000 rows of drg8ing2 variable in namcs2004 dataset : ingredient | code #2 for | medication | #8 | Freq. Percent Cum. ------------+----------------------------------- | 9,973 99.73 99.73 50728 | 1 0.01 99.74 51708 | 1 0.01 99.75 53780 | 2 0.02 99.77 54990 | 2 0.02 99.79 55925 | 1 0.01 99.80 56194 | 2 0.02 99.82 57130 | 4 0.04 99.86 59710 | 1 0.01 99.87 70150 | 1 0.01 99.88 70217 | 5 0.05 99.93 70231 | 1 0.01 99.94 70269 | 2 0.02 99.96 70333 | 1 0.01 99.97 70359 | 1 0.01 99.98 70366 | 1 0.01 99.99 70697 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016