Frequencies for first 10,000 rows of drg2ing3 variable in namcs2001 dataset : ingredient | code #3 for | medication | #2 | Freq. Percent Cum. ------------+----------------------------------- | 9,882 98.82 98.82 50745 | 6 0.06 98.88 50775 | 2 0.02 98.90 52035 | 1 0.01 98.91 52908 | 2 0.02 98.93 53175 | 1 0.01 98.94 53995 | 1 0.01 98.95 54157 | 1 0.01 98.96 54328 | 11 0.11 99.07 54400 | 1 0.01 99.08 54455 | 6 0.06 99.14 54465 | 2 0.02 99.16 54595 | 3 0.03 99.19 54755 | 1 0.01 99.20 54895 | 1 0.01 99.21 54960 | 7 0.07 99.28 54990 | 1 0.01 99.29 54995 | 1 0.01 99.30 55105 | 3 0.03 99.33 55130 | 10 0.10 99.43 55145 | 1 0.01 99.44 55180 | 1 0.01 99.45 55240 | 1 0.01 99.46 55315 | 2 0.02 99.48 55548 | 1 0.01 99.49 55610 | 1 0.01 99.50 56194 | 1 0.01 99.51 59803 | 26 0.26 99.77 70011 | 3 0.03 99.80 70197 | 3 0.03 99.83 70248 | 2 0.02 99.85 70256 | 3 0.03 99.88 70259 | 11 0.11 99.99 70404 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016