Frequencies for first 10,000 rows of drg1ing2 variable in nhamcsed1993 dataset : ingredient | code #2 for | drug #1 | Freq. Percent Cum. ------------+----------------------------------- | 9,008 90.08 90.08 50005 | 1 0.01 90.09 50145 | 1 0.01 90.10 50410 | 15 0.15 90.25 50530 | 3 0.03 90.28 50575 | 1 0.01 90.29 50728 | 8 0.08 90.37 50745 | 5 0.05 90.42 50845 | 1 0.01 90.43 50868 | 1 0.01 90.44 50920 | 3 0.03 90.47 51064 | 13 0.13 90.60 51175 | 7 0.07 90.67 51250 | 1 0.01 90.68 51290 | 5 0.05 90.73 51340 | 138 1.38 92.11 51670 | 1 0.01 92.12 51708 | 1 0.01 92.13 52023 | 18 0.18 92.31 52040 | 1 0.01 92.32 52490 | 5 0.05 92.37 52645 | 2 0.02 92.39 52650 | 91 0.91 93.30 52655 | 4 0.04 93.34 52720 | 30 0.30 93.64 52825 | 6 0.06 93.70 53050 | 4 0.04 93.74 53070 | 3 0.03 93.77 53175 | 81 0.81 94.58 53720 | 1 0.01 94.59 53875 | 1 0.01 94.60 53895 | 19 0.19 94.79 53965 | 2 0.02 94.81 54094 | 65 0.65 95.46 54238 | 3 0.03 95.49 54320 | 1 0.01 95.50 54385 | 1 0.01 95.51 54395 | 2 0.02 95.53 54455 | 22 0.22 95.75 54465 | 3 0.03 95.78 54595 | 32 0.32 96.10 54860 | 4 0.04 96.14 54875 | 1 0.01 96.15 54890 | 59 0.59 96.74 54960 | 8 0.08 96.82 55521 | 5 0.05 96.87 55525 | 1 0.01 96.88 55590 | 21 0.21 97.09 55710 | 66 0.66 97.75 55915 | 1 0.01 97.76 55925 | 10 0.10 97.86 55997 | 142 1.42 99.28 56020 | 3 0.03 99.31 56194 | 1 0.01 99.32 57033 | 68 0.68 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016