Frequencies for first 10,000 rows of drg3ing3 variable in namcs1997 dataset : ingredient | code #3 for | medication | #3 | Freq. Percent Cum. ------------+----------------------------------- | 9,938 99.38 99.38 50745 | 6 0.06 99.44 51670 | 1 0.01 99.45 53530 | 1 0.01 99.46 53915 | 1 0.01 99.47 54050 | 1 0.01 99.48 54328 | 3 0.03 99.51 54395 | 1 0.01 99.52 54455 | 4 0.04 99.56 54465 | 6 0.06 99.62 54595 | 10 0.10 99.72 54960 | 2 0.02 99.74 54995 | 1 0.01 99.75 55105 | 4 0.04 99.79 55130 | 6 0.06 99.85 55240 | 2 0.02 99.87 55315 | 1 0.01 99.88 55360 | 1 0.01 99.89 55610 | 3 0.03 99.92 55623 | 1 0.01 99.93 55755 | 2 0.02 99.95 56193 | 3 0.03 99.98 56195 | 2 0.02 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016