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Goodness-of-fit tests based on sup-functionals of weighted empirical processes
KTH, Skolan för teknikvetenskap (SCI), Matematik (Inst.), Matematisk statistik.ORCID-id: 0000-0002-0633-5579
2018 (engelsk)Inngår i: Theory of Probability and its Applications, ISSN 0040-585X, E-ISSN 1095-7219, Vol. 63, nr 2, s. 292-317Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

A large class of goodness-of-fit test statistics based on sup-functionals of weighted empirical processes is proposed and studied. The weight functions employed are the Erdős–Feller– Kolmogorov–Petrovski upper-class functions of a Brownian bridge. Based on the result of M. Csörgő, S. Csörgő, L. Horváth, and D. Mason on this type of test statistics, we provide the asymptotic null distribution theory for the class of tests and present an algorithm for tabulating the limit distribution functions under the null hypothesis. A new family of nonparametric confidence bands is constructed for the true distribution function and is found to perform very well. The results obtained, involving a new result on the convergence in distribution of the higher criticism statistic, as introduced by D. Donoho and J. Jin, demonstrate the advantage of our approach over a common approach that utilizes a family of regularly varying weight functions. Furthermore, we show that, in various subtle problems of detecting sparse heterogeneous mixtures, the proposed test statistics achieve the detection boundary found by Yu. I. Ingster and, when distinguishing between the null and alternative hypotheses, perform optimally adaptively to unknown sparsity and size of the non-null effects. 

sted, utgiver, år, opplag, sider
Society for Industrial and Applied Mathematics Publications , 2018. Vol. 63, nr 2, s. 292-317
Emneord [en]
Confidence bands, Goodness-of-fit, Multiple comparisons, Sparse heterogeneous mixtures, Weighted empirical processes
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Identifikatorer
URN: urn:nbn:se:kth:diva-247476DOI: 10.1137/S0040585X97T989052ISI: 000448195800007Scopus ID: 2-s2.0-85056961775OAI: oai:DiVA.org:kth-247476DiVA, id: diva2:1302655
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QC 20190405

Tilgjengelig fra: 2019-04-05 Laget: 2019-04-05 Sist oppdatert: 2019-05-29bibliografisk kontrollert

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