Frequencies for first 10,000 rows of drg3ing2 variable in nhamcsed1995 dataset : ingredient | code #2 for | drug #3 | Freq. Percent Cum. ------------+----------------------------------- | 9,762 97.62 97.62 50005 | 1 0.01 97.63 50410 | 1 0.01 97.64 50530 | 2 0.02 97.66 50575 | 1 0.01 97.67 50728 | 1 0.01 97.68 51064 | 2 0.02 97.70 51130 | 1 0.01 97.71 51170 | 1 0.01 97.72 51175 | 3 0.03 97.75 51340 | 33 0.33 98.08 51670 | 2 0.02 98.10 52023 | 4 0.04 98.14 52065 | 1 0.01 98.15 52490 | 1 0.01 98.16 52650 | 37 0.37 98.53 52655 | 1 0.01 98.54 52720 | 15 0.15 98.69 52825 | 2 0.02 98.71 53050 | 1 0.01 98.72 53070 | 1 0.01 98.73 53175 | 24 0.24 98.97 53298 | 1 0.01 98.98 53780 | 1 0.01 98.99 53895 | 4 0.04 99.03 53970 | 1 0.01 99.04 54094 | 17 0.17 99.21 54400 | 1 0.01 99.22 54455 | 3 0.03 99.25 54465 | 1 0.01 99.26 54595 | 5 0.05 99.31 54860 | 2 0.02 99.33 54890 | 10 0.10 99.43 54960 | 4 0.04 99.47 54990 | 2 0.02 99.49 55105 | 3 0.03 99.52 55315 | 1 0.01 99.53 55460 | 1 0.01 99.54 55521 | 4 0.04 99.58 55590 | 3 0.03 99.61 55710 | 5 0.05 99.66 55997 | 22 0.22 99.88 56020 | 1 0.01 99.89 56193 | 1 0.01 99.90 56710 | 3 0.03 99.93 57033 | 7 0.07 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016