Frequencies for first 10,000 rows of drg6ing2 variable in namcs2001 dataset : ingredient | code #2 for | medication | #2 | Freq. Percent Cum. ------------+----------------------------------- | 9,974 99.74 99.74 50745 | 1 0.01 99.75 51340 | 2 0.02 99.77 51910 | 1 0.01 99.78 51935 | 1 0.01 99.79 52645 | 1 0.01 99.80 53280 | 1 0.01 99.81 54094 | 2 0.02 99.83 54395 | 1 0.01 99.84 54455 | 1 0.01 99.85 55105 | 3 0.03 99.88 55925 | 2 0.02 99.90 55997 | 1 0.01 99.91 57130 | 2 0.02 99.93 57208 | 1 0.01 99.94 70012 | 1 0.01 99.95 70027 | 1 0.01 99.96 70150 | 2 0.02 99.98 70341 | 1 0.01 99.99 70403 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016