Frequencies for first 10,000 rows of drg1ing3 variable in nhamcsed1999 dataset : ingredient | code #3 for | drug #1 | Freq. Percent Cum. ------------+----------------------------------- | 9,882 98.82 98.82 50410 | 1 0.01 98.83 50637 | 7 0.07 98.90 50745 | 8 0.08 98.98 51223 | 1 0.01 98.99 52422 | 1 0.01 99.00 52550 | 1 0.01 99.01 52908 | 1 0.01 99.02 53175 | 13 0.13 99.15 53325 | 1 0.01 99.16 54050 | 1 0.01 99.17 54395 | 17 0.17 99.34 54455 | 4 0.04 99.38 54465 | 8 0.08 99.46 54480 | 1 0.01 99.47 54595 | 12 0.12 99.59 54960 | 2 0.02 99.61 54995 | 3 0.03 99.64 55105 | 3 0.03 99.67 55108 | 4 0.04 99.71 55240 | 19 0.19 99.90 55543 | 1 0.01 99.91 55715 | 4 0.04 99.95 56235 | 1 0.01 99.96 56265 | 1 0.01 99.97 57166 | 1 0.01 99.98 59803 | 1 0.01 99.99 70011 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016