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stat.AP2026
When to repeat a biomarker test? Decomposing sources of variation from conditionally repeated measurements
Supun Manathunga, Mart P. Janssen, Yu Luo +2
Repeating an imperfect biomarker test based on an initial result can introduce bias and influence misclassification risk. For example, in some blood donation settings, blood donors…
cs.LG2026
Boosting CVaR Policy Optimization with Quantile Gradients
Yudong Luo, Erick Delage
Optimizing Conditional Value-at-risk (CVaR) using policy gradient (a.k.a CVaR-PG) faces significant challenges of sample inefficiency. This inefficiency stems from the fact that it…