2 papers
stat.ME2026
Sharp Partial Identification for Survival Model Comparison Without Target Outcomes
Won Gi Choi, Sun-Ho Kim, Min Soo Kim
We compare two locked survival prediction models in a target population before target survival outcomes are available. At a prespecified horizon, the estimand is the target Brier-r…
cs.CL2026
Evaluating LLM-as-a-Judge Beyond Score Alignment: A Psychometric Analysis of Residual Judging Difficulty
Longwei Cong, Sonja Hahn, Sebastian Gombert +4
Large language models (LLMs) are widely used as automatic judges, with validity typically assessed via alignment with human scores. However, aggregate agreement fails to reveal whe…