Frequencies for first 10,000 rows of drg2ing3 variable in namcs1993 dataset : ingredient | code #3 for | medication | #2 | Freq. Percent Cum. ------------+----------------------------------- | 9,764 97.64 97.64 50637 | 2 0.02 97.66 50745 | 14 0.14 97.80 50867 | 1 0.01 97.81 51670 | 1 0.01 97.82 52908 | 2 0.02 97.84 53530 | 4 0.04 97.88 53780 | 2 0.02 97.90 53895 | 6 0.06 97.96 54050 | 2 0.02 97.98 54385 | 1 0.01 97.99 54395 | 10 0.10 98.09 54455 | 21 0.21 98.30 54465 | 75 0.75 99.05 54468 | 6 0.06 99.11 54480 | 1 0.01 99.12 54595 | 13 0.13 99.25 54860 | 3 0.03 99.28 54890 | 1 0.01 99.29 54960 | 5 0.05 99.34 54990 | 3 0.03 99.37 54995 | 22 0.22 99.59 55080 | 1 0.01 99.60 55130 | 21 0.21 99.81 55240 | 7 0.07 99.88 55610 | 2 0.02 99.90 55623 | 1 0.01 99.91 55745 | 3 0.03 99.94 55755 | 1 0.01 99.95 56185 | 1 0.01 99.96 56193 | 4 0.04 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016