Frequencies for first 10,000 rows of drg2ing2 variable in nhamcsed1993 dataset : ingredient | code #2 for | drug #2 | Freq. Percent Cum. ------------+----------------------------------- | 9,502 95.02 95.02 50005 | 1 0.01 95.03 50410 | 1 0.01 95.04 50530 | 5 0.05 95.09 50575 | 1 0.01 95.10 50728 | 1 0.01 95.11 51064 | 11 0.11 95.22 51130 | 1 0.01 95.23 51175 | 4 0.04 95.27 51235 | 1 0.01 95.28 51290 | 1 0.01 95.29 51340 | 62 0.62 95.91 52023 | 11 0.11 96.02 52355 | 1 0.01 96.03 52490 | 13 0.13 96.16 52650 | 39 0.39 96.55 52655 | 3 0.03 96.58 52720 | 36 0.36 96.94 52825 | 8 0.08 97.02 53050 | 1 0.01 97.03 53070 | 5 0.05 97.08 53175 | 71 0.71 97.79 53220 | 1 0.01 97.80 53720 | 1 0.01 97.81 53895 | 11 0.11 97.92 53915 | 1 0.01 97.93 54094 | 29 0.29 98.22 54290 | 2 0.02 98.24 54455 | 16 0.16 98.40 54465 | 6 0.06 98.46 54468 | 3 0.03 98.49 54590 | 1 0.01 98.50 54595 | 14 0.14 98.64 54860 | 2 0.02 98.66 54890 | 15 0.15 98.81 54960 | 24 0.24 99.05 55115 | 1 0.01 99.06 55315 | 1 0.01 99.07 55521 | 2 0.02 99.09 55525 | 1 0.01 99.10 55590 | 9 0.09 99.19 55710 | 7 0.07 99.26 55745 | 1 0.01 99.27 55915 | 1 0.01 99.28 55925 | 8 0.08 99.36 55997 | 34 0.34 99.70 56020 | 1 0.01 99.71 56194 | 1 0.01 99.72 57033 | 28 0.28 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016