Frequencies for first 10,000 rows of drg1ing2 variable in nhamcsed1997 dataset : ingredient | code #2 for | drug #1 | Freq. Percent Cum. ------------+----------------------------------- | 9,030 90.30 90.30 50005 | 3 0.03 90.33 50410 | 2 0.02 90.35 50530 | 4 0.04 90.39 50575 | 2 0.02 90.41 50728 | 6 0.06 90.47 50745 | 1 0.01 90.48 50868 | 1 0.01 90.49 51064 | 18 0.18 90.67 51275 | 1 0.01 90.68 51290 | 6 0.06 90.74 51340 | 136 1.36 92.10 51670 | 2 0.02 92.12 51708 | 5 0.05 92.17 51935 | 1 0.01 92.18 52023 | 16 0.16 92.34 52070 | 2 0.02 92.36 52190 | 1 0.01 92.37 52490 | 6 0.06 92.43 52650 | 180 1.80 94.23 52655 | 1 0.01 94.24 52720 | 17 0.17 94.41 52743 | 1 0.01 94.42 52825 | 1 0.01 94.43 53003 | 1 0.01 94.44 53070 | 11 0.11 94.55 53175 | 71 0.71 95.26 53220 | 1 0.01 95.27 53280 | 1 0.01 95.28 53560 | 1 0.01 95.29 53610 | 1 0.01 95.30 53620 | 1 0.01 95.31 53720 | 2 0.02 95.33 53840 | 1 0.01 95.34 53895 | 22 0.22 95.56 53965 | 2 0.02 95.58 53970 | 3 0.03 95.61 54035 | 1 0.01 95.62 54094 | 70 0.70 96.32 54148 | 1 0.01 96.33 54238 | 1 0.01 96.34 54290 | 1 0.01 96.35 54385 | 1 0.01 96.36 54400 | 1 0.01 96.37 54455 | 7 0.07 96.44 54465 | 5 0.05 96.49 54470 | 1 0.01 96.50 54595 | 15 0.15 96.65 54770 | 1 0.01 96.66 54785 | 1 0.01 96.67 54860 | 4 0.04 96.71 54890 | 41 0.41 97.12 54960 | 3 0.03 97.15 54990 | 9 0.09 97.24 55315 | 4 0.04 97.28 55521 | 11 0.11 97.39 55590 | 10 0.10 97.49 55710 | 73 0.73 98.22 55915 | 1 0.01 98.23 55925 | 4 0.04 98.27 55997 | 96 0.96 99.23 56020 | 4 0.04 99.27 56194 | 2 0.02 99.29 57033 | 69 0.69 99.98 57136 | 1 0.01 99.99 59728 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016