Frequencies for first 10,000 rows of drg3ing2 variable in nhamcsed1993 dataset : ingredient | code #2 for | drug #3 | Freq. Percent Cum. ------------+----------------------------------- | 9,767 97.67 97.67 50250 | 1 0.01 97.68 50530 | 2 0.02 97.70 50728 | 2 0.02 97.72 50745 | 2 0.02 97.74 50920 | 1 0.01 97.75 51064 | 1 0.01 97.76 51130 | 1 0.01 97.77 51175 | 2 0.02 97.79 51250 | 1 0.01 97.80 51340 | 24 0.24 98.04 51670 | 1 0.01 98.05 51935 | 1 0.01 98.06 52023 | 7 0.07 98.13 52070 | 1 0.01 98.14 52490 | 4 0.04 98.18 52645 | 2 0.02 98.20 52650 | 40 0.40 98.60 52720 | 10 0.10 98.70 52825 | 7 0.07 98.77 53050 | 2 0.02 98.79 53070 | 1 0.01 98.80 53175 | 29 0.29 99.09 53298 | 1 0.01 99.10 53325 | 1 0.01 99.11 53720 | 4 0.04 99.15 53895 | 5 0.05 99.20 54094 | 15 0.15 99.35 54455 | 6 0.06 99.41 54595 | 7 0.07 99.48 54860 | 1 0.01 99.49 54890 | 8 0.08 99.57 54960 | 4 0.04 99.61 55240 | 1 0.01 99.62 55460 | 1 0.01 99.63 55590 | 3 0.03 99.66 55710 | 6 0.06 99.72 55925 | 3 0.03 99.75 55997 | 16 0.16 99.91 56020 | 1 0.01 99.92 57033 | 8 0.08 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016