Frequencies for first 10,000 rows of drg6ing1 variable in nhamcsopd1997 dataset : ingredient | code #1 for | medication | #6 | Freq. Percent Cum. ------------+----------------------------------- | 9,968 99.68 99.68 50005 | 6 0.06 99.74 50145 | 1 0.01 99.75 50770 | 2 0.02 99.77 50785 | 1 0.01 99.78 51235 | 1 0.01 99.79 51382 | 1 0.01 99.80 51675 | 1 0.01 99.81 52045 | 1 0.01 99.82 52070 | 1 0.01 99.83 52630 | 1 0.01 99.84 52645 | 5 0.05 99.89 52990 | 1 0.01 99.90 53780 | 3 0.03 99.93 54990 | 2 0.02 99.95 55525 | 1 0.01 99.96 55555 | 3 0.03 99.99 56261 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016