arXiv stat.ML
· Papers
Directional Kernel Mean Difference: A Fast Signed Statistic for Univariate Distribution Comparison
arXiv:2607.20119v1 Announce Type: new Abstract: We introduce the Directional Kernel Mean Difference (DKMD), a signed statistic for univariate distribution comparison that preserves the direction of distributional shifts. Unlike the squared Maximum Mean Discrepancy (MMD), which discards directional information by squari