Frequencies for first 10,000 rows of drg2ing1 variable in nhamcsopd1992 dataset : Ingredient | code #1 for | medication | #2 | Freq. Percent Cum. ------------+----------------------------------- | 9,647 96.47 96.47 50000 | 8 0.08 96.55 50002 | 1 0.01 96.56 50005 | 38 0.38 96.94 50145 | 24 0.24 97.18 50182 | 1 0.01 97.19 50260 | 3 0.03 97.22 50265 | 1 0.01 97.23 50290 | 1 0.01 97.24 50325 | 3 0.03 97.27 50410 | 2 0.02 97.29 50418 | 1 0.01 97.30 50460 | 2 0.02 97.32 50530 | 1 0.01 97.33 50550 | 1 0.01 97.34 50770 | 1 0.01 97.35 50806 | 1 0.01 97.36 50899 | 1 0.01 97.37 50900 | 2 0.02 97.39 50933 | 1 0.01 97.40 51130 | 14 0.14 97.54 51170 | 1 0.01 97.55 51200 | 2 0.02 97.57 51340 | 12 0.12 97.69 51480 | 1 0.01 97.70 51635 | 4 0.04 97.74 51670 | 11 0.11 97.85 51675 | 1 0.01 97.86 51903 | 25 0.25 98.11 51910 | 4 0.04 98.15 52023 | 1 0.01 98.16 52028 | 1 0.01 98.17 52035 | 1 0.01 98.18 52040 | 2 0.02 98.20 52070 | 5 0.05 98.25 52318 | 1 0.01 98.26 52430 | 1 0.01 98.27 52490 | 19 0.19 98.46 52630 | 1 0.01 98.47 52645 | 24 0.24 98.71 52655 | 6 0.06 98.77 52885 | 2 0.02 98.79 53255 | 9 0.09 98.88 53325 | 1 0.01 98.89 53630 | 4 0.04 98.93 53723 | 5 0.05 98.98 53780 | 69 0.69 99.67 53875 | 1 0.01 99.68 53895 | 1 0.01 99.69 54173 | 1 0.01 99.70 54385 | 2 0.02 99.72 54960 | 1 0.01 99.73 55160 | 1 0.01 99.74 55525 | 2 0.02 99.76 55555 | 24 0.24 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016