Frequencies for first 10,000 rows of drg2ing3 variable in nhamcsopd1998 dataset : ingredient | code #3 for | medication | #2 | Freq. Percent Cum. ------------+----------------------------------- | 9,879 98.79 98.79 50637 | 1 0.01 98.80 50745 | 5 0.05 98.85 52035 | 1 0.01 98.86 52450 | 1 0.01 98.87 52908 | 3 0.03 98.90 52990 | 1 0.01 98.91 53175 | 2 0.02 98.93 53965 | 1 0.01 98.94 54305 | 1 0.01 98.95 54325 | 2 0.02 98.97 54328 | 20 0.20 99.17 54330 | 1 0.01 99.18 54395 | 2 0.02 99.20 54455 | 5 0.05 99.25 54465 | 17 0.17 99.42 54595 | 7 0.07 99.49 54960 | 1 0.01 99.50 54995 | 3 0.03 99.53 55105 | 10 0.10 99.63 55130 | 18 0.18 99.81 55240 | 3 0.03 99.84 55715 | 1 0.01 99.85 55725 | 2 0.02 99.87 55745 | 1 0.01 99.88 56193 | 2 0.02 99.90 56445 | 3 0.03 99.93 57024 | 1 0.01 99.94 57028 | 1 0.01 99.95 57122 | 1 0.01 99.96 57166 | 2 0.02 99.98 59803 | 2 0.02 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016