Frequencies for first 10,000 rows of drg3ing2 variable in nhamcsopd1997 dataset : ingredient | code #2 for | medication | #3 | Freq. Percent Cum. ------------+----------------------------------- | 9,854 98.54 98.54 50005 | 1 0.01 98.55 50530 | 1 0.01 98.56 50575 | 1 0.01 98.57 50728 | 3 0.03 98.60 50745 | 1 0.01 98.61 51175 | 1 0.01 98.62 51290 | 1 0.01 98.63 51340 | 9 0.09 98.72 51665 | 2 0.02 98.74 51860 | 1 0.01 98.75 51903 | 3 0.03 98.78 52070 | 1 0.01 98.79 52490 | 2 0.02 98.81 52501 | 2 0.02 98.83 52645 | 2 0.02 98.85 52650 | 6 0.06 98.91 52720 | 1 0.01 98.92 52825 | 2 0.02 98.94 53175 | 3 0.03 98.97 53280 | 6 0.06 99.03 53445 | 2 0.02 99.05 53720 | 2 0.02 99.07 53780 | 5 0.05 99.12 53820 | 7 0.07 99.19 53895 | 3 0.03 99.22 53965 | 2 0.02 99.24 54094 | 3 0.03 99.27 54455 | 6 0.06 99.33 54595 | 1 0.01 99.34 54890 | 6 0.06 99.40 54960 | 7 0.07 99.47 54990 | 10 0.10 99.57 55105 | 1 0.01 99.58 55525 | 2 0.02 99.60 55590 | 1 0.01 99.61 55710 | 1 0.01 99.62 55850 | 1 0.01 99.63 55925 | 9 0.09 99.72 55997 | 17 0.17 99.89 56185 | 1 0.01 99.90 56193 | 1 0.01 99.91 56194 | 1 0.01 99.92 56355 | 2 0.02 99.94 57033 | 2 0.02 99.96 57128 | 1 0.01 99.97 57136 | 1 0.01 99.98 57208 | 1 0.01 99.99 80007 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016