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 concordance index Proportional Hazard model
Maximize Cox's partial likelihood

ranking constraints AUC / WMW statistic
Log-sigmoid lower bound Ranking algorithms

NIPS 2007

December 2007

vikas.raykar@siemens.com

Computer Aided Diagnosis & Knowledge Solutions (IKM CKS)