Frequencies for first 10,000 rows of drg2ing3 variable in nhamcsopd2000 dataset : ingredient | code #3 for | medication | #2 | Freq. Percent Cum. ------------+----------------------------------- | 9,899 98.99 98.99 50637 | 1 0.01 99.00 50745 | 4 0.04 99.04 52023 | 1 0.01 99.05 52397 | 1 0.01 99.06 52908 | 2 0.02 99.08 52990 | 1 0.01 99.09 53175 | 5 0.05 99.14 53620 | 1 0.01 99.15 54328 | 16 0.16 99.31 54330 | 3 0.03 99.34 54350 | 1 0.01 99.35 54455 | 5 0.05 99.40 54465 | 19 0.19 99.59 54595 | 2 0.02 99.61 54960 | 2 0.02 99.63 54990 | 2 0.02 99.65 54995 | 1 0.01 99.66 55105 | 5 0.05 99.71 55130 | 11 0.11 99.82 55145 | 2 0.02 99.84 55240 | 2 0.02 99.86 55315 | 1 0.01 99.87 55745 | 4 0.04 99.91 55755 | 1 0.01 99.92 56195 | 1 0.01 99.93 56345 | 1 0.01 99.94 56445 | 2 0.02 99.96 59803 | 2 0.02 99.98 70011 | 2 0.02 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016