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cs.LG2026
LambdaRankIC: Directly Optimizing Rank IC for Financial Prediction
Yan Lin, Yihong Su, Yi Yang
In financial predictions, the performance of machine learning models is often assessed by Rank IC, which is the Spearman rank correlation between the model predictions and the real…
stat.ML2026
Fairness May Backfire: When Leveling-Down Occurs in Fair Machine Learning
Yi Yang, Xiangyu Chang, Pei-yu Chen
As machine learning (ML) systems increasingly shape access to credit, jobs, and other opportunities, the fairness of algorithmic decisions has become a central concern. Yet it rema…