Frequencies for first 10,000 rows of drg3ing3 variable in nhamcsopd2000 dataset : ingredient | code #3 for | medication | #3 | Freq. Percent Cum. ------------+----------------------------------- | 9,960 99.60 99.60 50637 | 1 0.01 99.61 50745 | 3 0.03 99.64 51223 | 1 0.01 99.65 52397 | 1 0.01 99.66 52908 | 1 0.01 99.67 53175 | 1 0.01 99.68 53995 | 1 0.01 99.69 54328 | 1 0.01 99.70 54330 | 1 0.01 99.71 54400 | 1 0.01 99.72 54455 | 2 0.02 99.74 54465 | 3 0.03 99.77 54755 | 1 0.01 99.78 54923 | 1 0.01 99.79 54960 | 1 0.01 99.80 54990 | 1 0.01 99.81 55105 | 1 0.01 99.82 55130 | 6 0.06 99.88 55240 | 2 0.02 99.90 55745 | 1 0.01 99.91 56265 | 1 0.01 99.92 56445 | 5 0.05 99.97 59803 | 2 0.02 99.99 70020 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016