Frequencies for first 10,000 rows of drg3ing3 variable in nhamcsopd1996 dataset : ingredient | code #3 for | medication | #3 | Freq. Percent Cum. ------------+----------------------------------- | 9,931 99.31 99.31 50637 | 2 0.02 99.33 50745 | 2 0.02 99.35 52885 | 2 0.02 99.37 52908 | 2 0.02 99.39 53915 | 1 0.01 99.40 54325 | 5 0.05 99.45 54455 | 1 0.01 99.46 54465 | 5 0.05 99.51 54595 | 3 0.03 99.54 54960 | 1 0.01 99.55 54990 | 2 0.02 99.57 54995 | 1 0.01 99.58 55080 | 1 0.01 99.59 55105 | 14 0.14 99.73 55130 | 13 0.13 99.86 55240 | 5 0.05 99.91 55280 | 1 0.01 99.92 55623 | 1 0.01 99.93 55715 | 1 0.01 99.94 55745 | 2 0.02 99.96 55755 | 1 0.01 99.97 55910 | 1 0.01 99.98 57034 | 1 0.01 99.99 57058 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016