Frequencies for drgsys variable in drg2005 dataset : DRG System | - MS-DRG | System | Begins | FY2008 | Freq. Percent Cum. ------------+----------------------------------- DRG | 543 100.00 100.00 ------------+----------------------------------- Total | 543 100.00 by Jean Roth , jroth@nber.org , 22 Apr 2016