Frequencies for first 10,000 rows of drg3ing1 variable in nhamcsopd1992 dataset : Ingredient | code #1 for | medication | #3 | Freq. Percent Cum. ------------+----------------------------------- | 9,873 98.73 98.73 50000 | 6 0.06 98.79 50005 | 18 0.18 98.97 50025 | 1 0.01 98.98 50145 | 5 0.05 99.03 50182 | 1 0.01 99.04 50260 | 1 0.01 99.05 50410 | 2 0.02 99.07 50420 | 1 0.01 99.08 50460 | 1 0.01 99.09 50495 | 1 0.01 99.10 50770 | 1 0.01 99.11 50869 | 1 0.01 99.12 50899 | 1 0.01 99.13 50933 | 2 0.02 99.15 51130 | 2 0.02 99.17 51340 | 2 0.02 99.19 51635 | 2 0.02 99.21 51638 | 1 0.01 99.22 51670 | 1 0.01 99.23 51675 | 1 0.01 99.24 51903 | 10 0.10 99.34 51935 | 1 0.01 99.35 52040 | 2 0.02 99.37 52065 | 1 0.01 99.38 52318 | 1 0.01 99.39 52490 | 3 0.03 99.42 52615 | 2 0.02 99.44 52645 | 8 0.08 99.52 52655 | 1 0.01 99.53 52885 | 2 0.02 99.55 53255 | 12 0.12 99.67 53325 | 1 0.01 99.68 53780 | 11 0.11 99.79 53875 | 1 0.01 99.80 53895 | 2 0.02 99.82 54385 | 1 0.01 99.83 54655 | 1 0.01 99.84 54770 | 1 0.01 99.85 55525 | 2 0.02 99.87 55555 | 12 0.12 99.99 56345 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016