Frequencies for first 10,000 rows of drg5ing2 variable in namcs2002 dataset : Ingredient | code #2 for | medication | #5 | Freq. Percent Cum. ------------+----------------------------------- | 9,943 99.43 99.43 50728 | 1 0.01 99.44 51170 | 1 0.01 99.45 51535 | 2 0.02 99.47 51708 | 1 0.01 99.48 52045 | 1 0.01 99.49 53050 | 2 0.02 99.51 53118 | 1 0.01 99.52 53780 | 2 0.02 99.54 53915 | 1 0.01 99.55 54093 | 1 0.01 99.56 54960 | 1 0.01 99.57 55105 | 5 0.05 99.62 55925 | 2 0.02 99.64 56194 | 1 0.01 99.65 56195 | 1 0.01 99.66 57130 | 3 0.03 99.69 57136 | 2 0.02 99.71 57192 | 1 0.01 99.72 59710 | 1 0.01 99.73 59735 | 1 0.01 99.74 70012 | 1 0.01 99.75 70120 | 1 0.01 99.76 70150 | 1 0.01 99.77 70217 | 8 0.08 99.85 70231 | 2 0.02 99.87 70238 | 2 0.02 99.89 70256 | 1 0.01 99.90 70269 | 1 0.01 99.91 70275 | 1 0.01 99.92 70332 | 1 0.01 99.93 70359 | 1 0.01 99.94 70564 | 3 0.03 99.97 70586 | 1 0.01 99.98 80007 | 2 0.02 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016