Frequencies for first 10,000 rows of drg5ing2 variable in namcs2004 dataset : ingredient | code #2 for | medication | #5 | Freq. Percent Cum. ------------+----------------------------------- | 9,931 99.31 99.31 51848 | 1 0.01 99.32 52450 | 1 0.01 99.33 52675 | 2 0.02 99.35 52845 | 1 0.01 99.36 53050 | 1 0.01 99.37 53125 | 2 0.02 99.39 53780 | 1 0.01 99.40 53980 | 1 0.01 99.41 54960 | 1 0.01 99.42 54990 | 2 0.02 99.44 55180 | 1 0.01 99.45 55710 | 1 0.01 99.46 55925 | 5 0.05 99.51 56185 | 1 0.01 99.52 56194 | 1 0.01 99.53 56195 | 2 0.02 99.55 57130 | 3 0.03 99.58 70012 | 2 0.02 99.60 70027 | 2 0.02 99.62 70120 | 1 0.01 99.63 70150 | 7 0.07 99.70 70217 | 8 0.08 99.78 70231 | 2 0.02 99.80 70258 | 1 0.01 99.81 70269 | 1 0.01 99.82 70282 | 2 0.02 99.84 70359 | 4 0.04 99.88 70366 | 1 0.01 99.89 70394 | 1 0.01 99.90 70403 | 1 0.01 99.91 70555 | 4 0.04 99.95 70564 | 2 0.02 99.97 70565 | 1 0.01 99.98 70695 | 1 0.01 99.99 91011 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016