Meixu Chen

Value-Monotonicity Matters: A Concordance Loss for Deep Survival Prediction

Meixu Chen, Kai Wang, Jing Wang

Deep survival models are evaluated almost exclusively by the concordance index (C-index), yet they are commonly trained using likelihood objectives such as the Cox partial likelihood, discrete-time negative log-likelihood, and DeepHit likelihood. This mismatch is usually consider…Read more