Frequencies for first 10,000 rows of drg6ing1 variable in namcs1995 dataset : ingredient | code #1 for | medication | #6 | Freq. Percent Cum. ------------+----------------------------------- | 9,965 99.65 99.65 50005 | 10 0.10 99.75 50182 | 1 0.01 99.76 50260 | 1 0.01 99.77 50410 | 1 0.01 99.78 50585 | 1 0.01 99.79 50933 | 1 0.01 99.80 51130 | 1 0.01 99.81 51340 | 1 0.01 99.82 51670 | 1 0.01 99.83 51935 | 1 0.01 99.84 52045 | 1 0.01 99.85 52490 | 2 0.02 99.87 52645 | 7 0.07 99.94 53780 | 3 0.03 99.97 53915 | 1 0.01 99.98 55555 | 1 0.01 99.99 56345 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016