Frequencies for first 10,000 rows of drg6ing2 variable in namcs1998 dataset : ingredient | code #2 for | medication | #6 | Freq. Percent Cum. ------------+----------------------------------- | 9,974 99.74 99.74 51175 | 1 0.01 99.75 51290 | 1 0.01 99.76 52490 | 1 0.01 99.77 52645 | 1 0.01 99.78 52650 | 3 0.03 99.81 52793 | 1 0.01 99.82 53220 | 1 0.01 99.83 53445 | 1 0.01 99.84 53754 | 1 0.01 99.85 53820 | 1 0.01 99.86 53965 | 1 0.01 99.87 54094 | 3 0.03 99.90 54890 | 3 0.03 99.93 54960 | 1 0.01 99.94 55240 | 1 0.01 99.95 55925 | 1 0.01 99.96 55997 | 1 0.01 99.97 56193 | 2 0.02 99.99 59640 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016