Frequencies for first 10,000 rows of drg4ing2 variable in namcs1997 dataset : ingredient | code #2 for | medication | #4 | Freq. Percent Cum. ------------+----------------------------------- | 9,882 98.82 98.82 50005 | 2 0.02 98.84 50410 | 4 0.04 98.88 50530 | 1 0.01 98.89 50728 | 5 0.05 98.94 50745 | 1 0.01 98.95 50785 | 1 0.01 98.96 51064 | 1 0.01 98.97 51130 | 3 0.03 99.00 51250 | 1 0.01 99.01 51340 | 1 0.01 99.02 51935 | 2 0.02 99.04 52055 | 1 0.01 99.05 52065 | 1 0.01 99.06 52645 | 2 0.02 99.08 52650 | 6 0.06 99.14 52655 | 3 0.03 99.17 52825 | 1 0.01 99.18 52885 | 1 0.01 99.19 53004 | 1 0.01 99.20 53050 | 2 0.02 99.22 53070 | 3 0.03 99.25 53175 | 1 0.01 99.26 53280 | 2 0.02 99.28 53445 | 3 0.03 99.31 53600 | 1 0.01 99.32 53630 | 2 0.02 99.34 53670 | 1 0.01 99.35 53780 | 1 0.01 99.36 53820 | 1 0.01 99.37 53915 | 1 0.01 99.38 54094 | 2 0.02 99.40 54320 | 1 0.01 99.41 54590 | 1 0.01 99.42 54595 | 2 0.02 99.44 54700 | 1 0.01 99.45 54860 | 2 0.02 99.47 54890 | 11 0.11 99.58 54895 | 1 0.01 99.59 54960 | 5 0.05 99.64 54990 | 1 0.01 99.65 55105 | 1 0.01 99.66 55590 | 1 0.01 99.67 55850 | 3 0.03 99.70 55925 | 20 0.20 99.90 55997 | 4 0.04 99.94 56194 | 1 0.01 99.95 56195 | 2 0.02 99.97 57033 | 1 0.01 99.98 57136 | 1 0.01 99.99 80007 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016