Frequencies for first 10,000 rows of drg1ing3 variable in nhamcsopd2001 dataset : ingredient | code #3 for | medication | #1 | Freq. Percent Cum. ------------+----------------------------------- | 9,522 95.22 95.22 50745 | 11 0.11 95.33 51670 | 1 0.01 95.34 52908 | 1 0.01 95.35 53175 | 2 0.02 95.37 53720 | 1 0.01 95.38 53780 | 1 0.01 95.39 53895 | 1 0.01 95.40 54328 | 91 0.91 96.31 54395 | 1 0.01 96.32 54400 | 1 0.01 96.33 54455 | 2 0.02 96.35 54465 | 3 0.03 96.38 54595 | 3 0.03 96.41 54960 | 2 0.02 96.43 55105 | 268 2.68 99.11 55130 | 22 0.22 99.33 55145 | 1 0.01 99.34 55180 | 1 0.01 99.35 55240 | 2 0.02 99.37 55315 | 3 0.03 99.40 55360 | 1 0.01 99.41 55480 | 2 0.02 99.43 55645 | 1 0.01 99.44 55710 | 3 0.03 99.47 55745 | 1 0.01 99.48 56192 | 1 0.01 99.49 56193 | 2 0.02 99.51 56285 | 3 0.03 99.54 59629 | 1 0.01 99.55 59803 | 14 0.14 99.69 70011 | 5 0.05 99.74 70020 | 2 0.02 99.76 70032 | 1 0.01 99.77 70259 | 21 0.21 99.98 70404 | 2 0.02 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016