Frequencies for first 10,000 rows of drg6ing2 variable in namcs1997 dataset : ingredient | code #2 for | medication | #6 | Freq. Percent Cum. ------------+----------------------------------- | 9,959 99.59 99.59 50728 | 4 0.04 99.63 50745 | 1 0.01 99.64 51175 | 1 0.01 99.65 51340 | 3 0.03 99.68 52650 | 5 0.05 99.73 52885 | 1 0.01 99.74 53175 | 2 0.02 99.76 53670 | 1 0.01 99.77 53895 | 1 0.01 99.78 54094 | 1 0.01 99.79 54165 | 1 0.01 99.80 54300 | 1 0.01 99.81 54455 | 1 0.01 99.82 54800 | 1 0.01 99.83 54890 | 6 0.06 99.89 54990 | 2 0.02 99.91 55105 | 1 0.01 99.92 55925 | 3 0.03 99.95 55997 | 3 0.03 99.98 56194 | 1 0.01 99.99 57033 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016