Frequencies for first 10,000 rows of drg2ing1 variable in nhamcsed1996 dataset : ingredient | code #1 for | drug #2 | Freq. Percent Cum. ------------+----------------------------------- | 9,443 94.43 94.43 50000 | 3 0.03 94.46 50005 | 223 2.23 96.69 50145 | 57 0.57 97.26 50260 | 21 0.21 97.47 50275 | 5 0.05 97.52 50325 | 6 0.06 97.58 50410 | 3 0.03 97.61 50420 | 29 0.29 97.90 50450 | 4 0.04 97.94 50460 | 1 0.01 97.95 50495 | 1 0.01 97.96 50585 | 1 0.01 97.97 50770 | 1 0.01 97.98 50806 | 7 0.07 98.05 50811 | 3 0.03 98.08 50899 | 1 0.01 98.09 50900 | 7 0.07 98.16 51130 | 7 0.07 98.23 51335 | 1 0.01 98.24 51340 | 7 0.07 98.31 51635 | 1 0.01 98.32 51670 | 3 0.03 98.35 51675 | 6 0.06 98.41 51903 | 1 0.01 98.42 51910 | 14 0.14 98.56 52023 | 1 0.01 98.57 52035 | 1 0.01 98.58 52040 | 4 0.04 98.62 52045 | 2 0.02 98.64 52065 | 6 0.06 98.70 52070 | 1 0.01 98.71 52315 | 1 0.01 98.72 52490 | 16 0.16 98.88 52615 | 3 0.03 98.91 52645 | 8 0.08 98.99 52655 | 11 0.11 99.10 52715 | 1 0.01 99.11 52830 | 2 0.02 99.13 53723 | 1 0.01 99.14 53780 | 8 0.08 99.22 53895 | 12 0.12 99.34 54385 | 2 0.02 99.36 54595 | 4 0.04 99.40 54713 | 1 0.01 99.41 54960 | 3 0.03 99.44 55555 | 54 0.54 99.98 55835 | 2 0.02 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016