Frequencies for first 10,000 rows of drg4ing1 variable in nhamcsopd2000 dataset : ingredient | code #1 for | medication | #4 | Freq. Percent Cum. ------------+----------------------------------- | 9,875 98.75 98.75 50005 | 18 0.18 98.93 50088 | 3 0.03 98.96 50145 | 1 0.01 98.97 50260 | 1 0.01 98.98 50265 | 1 0.01 98.99 50410 | 2 0.02 99.01 50420 | 1 0.01 99.02 50498 | 1 0.01 99.03 50585 | 1 0.01 99.04 50785 | 2 0.02 99.06 50806 | 1 0.01 99.07 50900 | 1 0.01 99.08 51130 | 2 0.02 99.10 51200 | 1 0.01 99.11 51635 | 1 0.01 99.12 51670 | 1 0.01 99.13 51890 | 2 0.02 99.15 51935 | 1 0.01 99.16 52075 | 6 0.06 99.22 52450 | 1 0.01 99.23 52490 | 5 0.05 99.28 52548 | 2 0.02 99.30 52615 | 1 0.01 99.31 52645 | 7 0.07 99.38 52655 | 2 0.02 99.40 52885 | 1 0.01 99.41 52990 | 7 0.07 99.48 53003 | 1 0.01 99.49 53255 | 9 0.09 99.58 53780 | 21 0.21 99.79 54295 | 1 0.01 99.80 54990 | 1 0.01 99.81 55555 | 15 0.15 99.96 56261 | 2 0.02 99.98 56345 | 2 0.02 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016