Frequencies for first 10,000 rows of drg2ing1 variable in nhamcsed1995 dataset : ingredient | code #1 for | drug #2 | Freq. Percent Cum. ------------+----------------------------------- | 9,421 94.21 94.21 50000 | 4 0.04 94.25 50002 | 1 0.01 94.26 50005 | 225 2.25 96.51 50145 | 71 0.71 97.22 50260 | 16 0.16 97.38 50275 | 4 0.04 97.42 50325 | 8 0.08 97.50 50410 | 4 0.04 97.54 50420 | 28 0.28 97.82 50450 | 4 0.04 97.86 50460 | 1 0.01 97.87 50585 | 1 0.01 97.88 50690 | 3 0.03 97.91 50806 | 6 0.06 97.97 50900 | 5 0.05 98.02 50938 | 1 0.01 98.03 51130 | 8 0.08 98.11 51340 | 14 0.14 98.25 51635 | 1 0.01 98.26 51638 | 1 0.01 98.27 51670 | 4 0.04 98.31 51675 | 9 0.09 98.40 51903 | 1 0.01 98.41 51910 | 17 0.17 98.58 52023 | 1 0.01 98.59 52028 | 1 0.01 98.60 52035 | 1 0.01 98.61 52040 | 3 0.03 98.64 52045 | 3 0.03 98.67 52065 | 8 0.08 98.75 52070 | 4 0.04 98.79 52490 | 16 0.16 98.95 52615 | 1 0.01 98.96 52645 | 2 0.02 98.98 52650 | 1 0.01 98.99 52655 | 4 0.04 99.03 52885 | 1 0.01 99.04 52955 | 2 0.02 99.06 52990 | 3 0.03 99.09 53070 | 1 0.01 99.10 53325 | 1 0.01 99.11 53780 | 5 0.05 99.16 53895 | 13 0.13 99.29 54160 | 1 0.01 99.30 54385 | 6 0.06 99.36 54455 | 1 0.01 99.37 54595 | 1 0.01 99.38 54655 | 1 0.01 99.39 54713 | 3 0.03 99.42 54960 | 4 0.04 99.46 55555 | 51 0.51 99.97 55835 | 1 0.01 99.98 56185 | 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