Summary statistics for drg2000 dataset : by Jean Roth , jroth@nber.org , 22 Apr 2016 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- drg | 0 drgnum | 511 256 147.6573 1 511 drgweight | 511 1.364356 1.676065 0 19.51 drgdesc | 0 drgsys | 0 -------------+--------------------------------------------------------- drgvers | 511 17 0 17 17 glos | 511 4.184736 3.321269 0 35.7 trim | 511 238.9628 84.25161 0 600 low | 0 alos | 511 5.467319 4.4543 0 56.5 -------------+--------------------------------------------------------- mdc | 499 9.138277 6.095205 0 25 medsurg | 0 fydate | 511 14518 0 14518 14518 fyear | 511 2000 0 2000 2000 mdcdesc | 0 by Jean Roth , jroth@nber.org , 22 Apr 2016