Frequencies for first 10,000 rows of drg2ing1 variable in nhamcsed1993 dataset : ingredient | code #1 for | drug #2 | Freq. Percent Cum. ------------+----------------------------------- | 9,496 94.96 94.96 50000 | 4 0.04 95.00 50005 | 152 1.52 96.52 50145 | 71 0.71 97.23 50260 | 25 0.25 97.48 50275 | 2 0.02 97.50 50325 | 5 0.05 97.55 50410 | 2 0.02 97.57 50420 | 36 0.36 97.93 50450 | 2 0.02 97.95 50460 | 1 0.01 97.96 50585 | 1 0.01 97.97 50770 | 1 0.01 97.98 50806 | 11 0.11 98.09 50811 | 1 0.01 98.10 50899 | 1 0.01 98.11 50900 | 9 0.09 98.20 51053 | 1 0.01 98.21 51130 | 4 0.04 98.25 51200 | 1 0.01 98.26 51340 | 18 0.18 98.44 51635 | 1 0.01 98.45 51638 | 2 0.02 98.47 51670 | 10 0.10 98.57 51675 | 12 0.12 98.69 51903 | 1 0.01 98.70 51910 | 7 0.07 98.77 52023 | 1 0.01 98.78 52040 | 5 0.05 98.83 52065 | 9 0.09 98.92 52490 | 20 0.20 99.12 52645 | 8 0.08 99.20 52650 | 2 0.02 99.22 52655 | 10 0.10 99.32 52885 | 1 0.01 99.33 53780 | 5 0.05 99.38 53895 | 14 0.14 99.52 53995 | 1 0.01 99.53 54385 | 7 0.07 99.60 54655 | 1 0.01 99.61 54770 | 1 0.01 99.62 54960 | 1 0.01 99.63 55555 | 34 0.34 99.97 55835 | 3 0.03 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016