arxivcs.LGstat.ML2026-07-23
Zero-Flow Two-Sample Tests
Yakun Wang, Leyang Wang, Song Liu, Taiji Suzuki
We propose a new approach to two-sample testing for deciding whether two sets of samples are drawn from the same distribution. The test is built on a statistical discrepancy based on the zero-flow criterion, termed zero-flow discrepancy (ZFD). We prove the validity of ZFD and pro…