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Wei-Xu Xia

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Preprint Aug 2026

Distribution-free testing of linear type

We introduce a distribution-free goodness-of-fit test, termed the omega-1 test, which naturally complements the Kolmogorov--Smirnov test and Cram\'{e}r--von Mises test and can be viewed as their (piecewise) linear analog. Defined as an $\mathrm{L}^{1}$-functional of the empirical process, the test statistic improves on...

Wei-Xu Xia · 0 citations