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stat.ML2026
Directional Kernel Mean Difference: A Fast Signed Statistic for Univariate Distribution Comparison
Shijie Zhong, Jiangfeng Fu
We introduce the Directional Kernel Mean Difference (DKMD), a signed statistic for univariate distribution comparison that preserves the direction of distributional shifts. Unlike…
stat.ML2026
Hybrid Uncertainty Sensitivity Analysis Based on the HSIC for High-Dimensional Responses with Aleatory--Epistemic Separation
Shijie Zhong, Jiangfeng Fu, Pengfei Wei
Quantifying the influence of hybrid aleatory and epistemic uncertainties on high-dimensional system responses remains a major challenge in global sensitivity analysis (GSA). Existi…