Frequencies for first 10,000 rows of drg3ing1 variable in nhamcsed1997 dataset : ingredient | code #1 for | drug #3 | Freq. Percent Cum. ------------+----------------------------------- | 9,767 97.67 97.67 50000 | 1 0.01 97.68 50005 | 97 0.97 98.65 50145 | 25 0.25 98.90 50260 | 9 0.09 98.99 50275 | 4 0.04 99.03 50325 | 2 0.02 99.05 50420 | 9 0.09 99.14 50460 | 1 0.01 99.15 50690 | 1 0.01 99.16 50806 | 5 0.05 99.21 50900 | 2 0.02 99.23 50933 | 1 0.01 99.24 51075 | 1 0.01 99.25 51130 | 1 0.01 99.26 51340 | 2 0.02 99.28 51670 | 2 0.02 99.30 51675 | 7 0.07 99.37 51910 | 5 0.05 99.42 52045 | 1 0.01 99.43 52065 | 1 0.01 99.44 52478 | 1 0.01 99.45 52490 | 5 0.05 99.50 52615 | 1 0.01 99.51 52630 | 1 0.01 99.52 52645 | 2 0.02 99.54 52655 | 7 0.07 99.61 52715 | 1 0.01 99.62 52885 | 1 0.01 99.63 52990 | 1 0.01 99.64 53325 | 1 0.01 99.65 53723 | 1 0.01 99.66 53780 | 6 0.06 99.72 53895 | 3 0.03 99.75 54508 | 1 0.01 99.76 54595 | 2 0.02 99.78 54655 | 1 0.01 99.79 54960 | 1 0.01 99.80 55555 | 20 0.20 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016