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Two-sample Test using Projected Wasserstein Distance
April 1, 2024, 4:43 a.m. | Jie Wang, Rui Gao, Yao Xie
cs.LG updates on arXiv.org arxiv.org
Abstract: We develop a projected Wasserstein distance for the two-sample test, a fundamental problem in statistics and machine learning: given two sets of samples, to determine whether they are from the same distribution. In particular, we aim to circumvent the curse of dimensionality in Wasserstein distance: when the dimension is high, it has diminishing testing power, which is inherently due to the slow concentration property of Wasserstein metrics in the high dimension space. A key contribution …
abstract aim arxiv cs.lg dimensionality distribution machine machine learning sample samples statistics stat.ml test the curse of dimensionality type
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