Frequencies for first 10,000 rows of drg6ing1 variable in namcs1997 dataset : ingredient | code #1 for | medication | #6 | Freq. Percent Cum. ------------+----------------------------------- | 9,952 99.52 99.52 50000 | 1 0.01 99.53 50005 | 20 0.20 99.73 50145 | 2 0.02 99.75 50260 | 1 0.01 99.76 50410 | 1 0.01 99.77 50770 | 1 0.01 99.78 50785 | 1 0.01 99.79 51130 | 1 0.01 99.80 51345 | 1 0.01 99.81 52045 | 2 0.02 99.83 52075 | 1 0.01 99.84 52355 | 1 0.01 99.85 52645 | 3 0.03 99.88 52655 | 1 0.01 99.89 53780 | 5 0.05 99.94 53915 | 1 0.01 99.95 54990 | 1 0.01 99.96 55555 | 3 0.03 99.99 56345 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016