Frequencies for first 10,000 rows of drg3ing2 variable in nhamcsopd1998 dataset : ingredient | code #2 for | medication | #3 | Freq. Percent Cum. ------------+----------------------------------- | 9,812 98.12 98.12 50005 | 1 0.01 98.13 50575 | 1 0.01 98.14 50728 | 4 0.04 98.18 50730 | 4 0.04 98.22 51023 | 1 0.01 98.23 51340 | 3 0.03 98.26 51382 | 1 0.01 98.27 51670 | 1 0.01 98.28 51708 | 1 0.01 98.29 51860 | 1 0.01 98.30 51903 | 9 0.09 98.39 52023 | 1 0.01 98.40 52065 | 3 0.03 98.43 52490 | 2 0.02 98.45 52501 | 1 0.01 98.46 52645 | 5 0.05 98.51 52650 | 5 0.05 98.56 52928 | 1 0.01 98.57 53003 | 1 0.01 98.58 53118 | 1 0.01 98.59 53175 | 4 0.04 98.63 53280 | 1 0.01 98.64 53445 | 1 0.01 98.65 53610 | 1 0.01 98.66 53720 | 1 0.01 98.67 53754 | 3 0.03 98.70 53780 | 5 0.05 98.75 53820 | 15 0.15 98.90 53840 | 2 0.02 98.92 53875 | 1 0.01 98.93 53891 | 2 0.02 98.95 53895 | 2 0.02 98.97 53915 | 1 0.01 98.98 53965 | 2 0.02 99.00 54094 | 14 0.14 99.14 54455 | 5 0.05 99.19 54465 | 1 0.01 99.20 54595 | 2 0.02 99.22 54785 | 1 0.01 99.23 54865 | 1 0.01 99.24 54890 | 14 0.14 99.38 54960 | 2 0.02 99.40 54990 | 4 0.04 99.44 55105 | 3 0.03 99.47 55590 | 1 0.01 99.48 55710 | 5 0.05 99.53 55925 | 11 0.11 99.64 55997 | 16 0.16 99.80 56194 | 8 0.08 99.88 57033 | 6 0.06 99.94 57128 | 1 0.01 99.95 57146 | 4 0.04 99.99 57208 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016