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most citedHow to Choose a Threshold for an Evaluation Metric for Large Language Models

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q-fin.ST2025

STRAPSim: A Portfolio Similarity Metric for ETF Alignment and Portfolio Trades

Mingshu Li, Dhruv Desai, Jerinsh Jeyapaulraj +4

Accurately measuring portfolio similarity is critical for a wide range of financial applications, including Exchange-traded Fund (ETF) recommendation, portfolio trading, and risk a…

stat.ML2025

Explainable Unsupervised Anomaly Detection with Random Forest

Joshua S. Harvey, Joshua Rosaler, Mingshu Li +2

We describe the use of an unsupervised Random Forest for similarity learning and improved unsupervised anomaly detection. By training a Random Forest to discriminate between real d…