Frequencies for first 10,000 rows of drg5ing2 variable in namcs1994 dataset : ingredient | code #2 for | medication | #5 | Freq. Percent Cum. ------------+----------------------------------- | 9,951 99.51 99.51 50410 | 1 0.01 99.52 50728 | 3 0.03 99.55 51175 | 1 0.01 99.56 51290 | 1 0.01 99.57 51340 | 2 0.02 99.59 51935 | 2 0.02 99.61 52501 | 1 0.01 99.62 52645 | 2 0.02 99.64 52650 | 5 0.05 99.69 52720 | 1 0.01 99.70 52825 | 1 0.01 99.71 52885 | 1 0.01 99.72 53175 | 1 0.01 99.73 53220 | 2 0.02 99.75 54405 | 1 0.01 99.76 54455 | 4 0.04 99.80 54860 | 1 0.01 99.81 54890 | 1 0.01 99.82 54960 | 1 0.01 99.83 55460 | 1 0.01 99.84 55915 | 1 0.01 99.85 55925 | 12 0.12 99.97 56193 | 1 0.01 99.98 57033 | 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