Frequencies for first 10,000 rows of drg3ing3 variable in namcs1993 dataset : ingredient | code #3 for | medication | #3 | Freq. Percent Cum. ------------+----------------------------------- | 9,922 99.22 99.22 50745 | 5 0.05 99.27 50785 | 1 0.01 99.28 52908 | 1 0.01 99.29 53175 | 3 0.03 99.32 53325 | 1 0.01 99.33 53530 | 1 0.01 99.34 53780 | 1 0.01 99.35 53895 | 1 0.01 99.36 53915 | 1 0.01 99.37 54330 | 1 0.01 99.38 54395 | 4 0.04 99.42 54455 | 3 0.03 99.45 54465 | 21 0.21 99.66 54468 | 2 0.02 99.68 54595 | 4 0.04 99.72 54960 | 2 0.02 99.74 54995 | 1 0.01 99.75 55080 | 1 0.01 99.76 55130 | 12 0.12 99.88 55240 | 6 0.06 99.94 55290 | 1 0.01 99.95 55610 | 1 0.01 99.96 56193 | 3 0.03 99.99 57122 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016