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On the efficiency of multivariate spatial sign and rank tests

Jyrki Möttönen, Hannu Oja, Juha Tienari

The Annals of Statistics · 1997 · Volume 25 · Issue 2

DOI: 10.1214/aos/1031833663

Abstract

Asymptotic Pitman efficiencies of multivariate spatial sign and rank methods are considered in the one-sample location case. Limiting distributions of the spatial sign and signed-rank tests under the null hypothesis as well as under contiguous sequences of alternatives are given. Formulae for asymptotic relative efficiencies are found and, under multivariate t distributions, relative efficiencies with respect to Hotelling's $T^2$ test are calculated.

Keywords

62G10, 62G20, 62H11, 62H15, Angle test, Asymptotic efficiency, multivariate location, multivariate rank test, multivariate sign test, spatial median

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