Frequencies for first 10,000 rows of drg3ing2 variable in nhamcsopd1993 dataset : ingredient | code #2 for | medication | #3 | Freq. Percent Cum. ------------+----------------------------------- | 9,880 98.80 98.80 50410 | 1 0.01 98.81 50775 | 1 0.01 98.82 50785 | 1 0.01 98.83 50920 | 1 0.01 98.84 51250 | 1 0.01 98.85 51290 | 2 0.02 98.87 51340 | 7 0.07 98.94 51647 | 1 0.01 98.95 51935 | 1 0.01 98.96 52023 | 1 0.01 98.97 52040 | 2 0.02 98.99 52055 | 1 0.01 99.00 52065 | 1 0.01 99.01 52070 | 1 0.01 99.02 52355 | 1 0.01 99.03 52490 | 1 0.01 99.04 52650 | 8 0.08 99.12 52720 | 1 0.01 99.13 52825 | 1 0.01 99.14 53003 | 1 0.01 99.15 53175 | 10 0.10 99.25 53600 | 1 0.01 99.26 53720 | 2 0.02 99.28 53780 | 1 0.01 99.29 53820 | 8 0.08 99.37 53895 | 2 0.02 99.39 53915 | 1 0.01 99.40 53965 | 2 0.02 99.42 54094 | 3 0.03 99.45 54160 | 1 0.01 99.46 54455 | 4 0.04 99.50 54465 | 1 0.01 99.51 54890 | 1 0.01 99.52 54960 | 2 0.02 99.54 55320 | 2 0.02 99.56 55460 | 1 0.01 99.57 55580 | 2 0.02 99.59 55590 | 1 0.01 99.60 55710 | 1 0.01 99.61 55915 | 1 0.01 99.62 55925 | 10 0.10 99.72 55997 | 21 0.21 99.93 56194 | 3 0.03 99.96 57033 | 4 0.04 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016