Frequencies for first 10,000 rows of drg2ing1 variable in nhamcsopd1993 dataset : ingredient | code #1 for | medication | #2 | Freq. Percent Cum. ------------+----------------------------------- | 9,597 95.97 95.97 50000 | 7 0.07 96.04 50002 | 1 0.01 96.05 50005 | 51 0.51 96.56 50090 | 2 0.02 96.58 50145 | 31 0.31 96.89 50182 | 1 0.01 96.90 50260 | 7 0.07 96.97 50325 | 1 0.01 96.98 50410 | 5 0.05 97.03 50420 | 1 0.01 97.04 50440 | 1 0.01 97.05 50460 | 1 0.01 97.06 50550 | 1 0.01 97.07 50585 | 1 0.01 97.08 50690 | 3 0.03 97.11 50860 | 2 0.02 97.13 50869 | 1 0.01 97.14 50899 | 2 0.02 97.16 50900 | 3 0.03 97.19 50933 | 2 0.02 97.21 51055 | 1 0.01 97.22 51130 | 13 0.13 97.35 51305 | 1 0.01 97.36 51340 | 9 0.09 97.45 51670 | 17 0.17 97.62 51675 | 4 0.04 97.66 51903 | 49 0.49 98.15 51910 | 2 0.02 98.17 52023 | 1 0.01 98.18 52028 | 1 0.01 98.19 52045 | 2 0.02 98.21 52065 | 4 0.04 98.25 52070 | 5 0.05 98.30 52318 | 3 0.03 98.33 52478 | 2 0.02 98.35 52485 | 1 0.01 98.36 52490 | 22 0.22 98.58 52615 | 3 0.03 98.61 52645 | 16 0.16 98.77 52655 | 9 0.09 98.86 52885 | 1 0.01 98.87 52955 | 1 0.01 98.88 53255 | 13 0.13 99.01 53325 | 1 0.01 99.02 53780 | 47 0.47 99.49 53875 | 1 0.01 99.50 53895 | 2 0.02 99.52 54385 | 2 0.02 99.54 54460 | 1 0.01 99.55 54595 | 1 0.01 99.56 54770 | 1 0.01 99.57 54960 | 2 0.02 99.59 55160 | 1 0.01 99.60 55525 | 2 0.02 99.62 55555 | 33 0.33 99.95 55755 | 3 0.03 99.98 56110 | 1 0.01 99.99 56345 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016