Frequencies for first 10,000 rows of drg1ing2 variable in nhamcsed1992 dataset : Ingredient | code #2 for | drug #1 | Freq. Percent Cum. ------------+----------------------------------- | 9,174 91.74 91.74 50530 | 4 0.04 91.78 50575 | 2 0.02 91.80 50690 | 1 0.01 91.81 50728 | 5 0.05 91.86 50745 | 8 0.08 91.94 50920 | 2 0.02 91.96 51055 | 1 0.01 91.97 51064 | 16 0.16 92.13 51130 | 2 0.02 92.15 51175 | 2 0.02 92.17 51250 | 1 0.01 92.18 51320 | 1 0.01 92.19 51340 | 159 1.59 93.78 51670 | 4 0.04 93.82 51708 | 1 0.01 93.83 51935 | 2 0.02 93.85 52023 | 13 0.13 93.98 52055 | 1 0.01 93.99 52070 | 1 0.01 94.00 52168 | 1 0.01 94.01 52490 | 8 0.08 94.09 52650 | 50 0.50 94.59 52655 | 6 0.06 94.65 52720 | 24 0.24 94.89 52825 | 5 0.05 94.94 53003 | 2 0.02 94.96 53050 | 1 0.01 94.97 53070 | 8 0.08 95.05 53175 | 79 0.79 95.84 53720 | 3 0.03 95.87 53875 | 2 0.02 95.89 53895 | 15 0.15 96.04 53965 | 3 0.03 96.07 53970 | 1 0.01 96.08 54094 | 44 0.44 96.52 54238 | 8 0.08 96.60 54378 | 1 0.01 96.61 54395 | 2 0.02 96.63 54400 | 1 0.01 96.64 54455 | 8 0.08 96.72 54465 | 4 0.04 96.76 54595 | 29 0.29 97.05 54748 | 1 0.01 97.06 54770 | 1 0.01 97.07 54860 | 5 0.05 97.12 54890 | 40 0.40 97.52 54960 | 7 0.07 97.59 55080 | 1 0.01 97.60 55115 | 1 0.01 97.61 55315 | 1 0.01 97.62 55521 | 5 0.05 97.67 55525 | 5 0.05 97.72 55590 | 17 0.17 97.89 55710 | 54 0.54 98.43 55850 | 1 0.01 98.44 55915 | 3 0.03 98.47 55925 | 4 0.04 98.51 55997 | 83 0.83 99.34 56020 | 3 0.03 99.37 56194 | 1 0.01 99.38 56345 | 1 0.01 99.39 57030 | 3 0.03 99.42 57033 | 58 0.58 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016