Corporate Design PowerPoint Templates - PowerPoint

Document Sample
Corporate Design PowerPoint Templates - PowerPoint Powered By Docstoc
					                                                                                                                                      Poster ID M54
                                          On Ranking in Survival Analysis: Bounds on the Concordance Index
                                           Vikas C. Raykar, Harald Steck, Balaji Krishnapuram, Cary Dehing-Oberije, Philippe Lambin
                                             CAD & Knowledge Solutions (IKM CKS), Siemens Medical Solutions Inc., Malvern, USA
                                          Department of Radiation Oncology (MAASTRO), GROW-University Maastricht, Netherlands




    Medical statistics                                                                                  Machine learning

             Survival Analysis                                                                                           Ranking



censored data                                                                                     ranking constraints

concordance index                                                                             AUC / WMW statistic

 Proportional Hazard model                                                             Log-sigmoid lower bound
 Maximize Cox’s partial                                                                Ranking algorithms
  likelihood


 NIPS 2007       December 2007   vikas.raykar@siemens.com                    Computer Aided Diagnosis & Knowledge Solutions (IKM CKS)

				
DOCUMENT INFO
Shared By:
Categories:
Tags:
Stats:
views:15
posted:7/27/2012
language:
pages:1