Summary statistics for drg2005 dataset : by Jean Roth , jroth@nber.org , 22 Apr 2016 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- drg | 0 drgnum | 543 272 156.8949 1 543 drgweight | 543 1.468732 1.88165 0 20.0414 drgdesc | 0 drgsys | 0 -------------+--------------------------------------------------------- drgvers | 543 22 0 22 22 glos | 543 4.044383 3.365678 0 38.7 trim | 543 16.0221 63.01478 0 420 low | 0 alos | 543 5.315101 4.385883 0 45.9 -------------+--------------------------------------------------------- mdc | 510 8.960784 6.140979 0 25 medsurg | 0 fydate | 543 16345 0 16345 16345 fyear | 543 2005 0 2005 2005 mdcdesc | 0 by Jean Roth , jroth@nber.org , 22 Apr 2016