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TESTING SPHERICITY IN A GMANOVA-MANOVA MODEL WITH NORMAL ERROR
Authors:Bai Peng  Shi Lei
Institution:Statistics and Mathematics College, Yunnan University of Finance and Economics, Kunming 650221, China
Abstract:This article presents a statistic for testing the sphericity in a GMANOVA-MANOVA model with normal error. It is shown that the null distribution of this statistic is beta and its nonnull distribution is given in series form of beta distributions.
Keywords:GMANOVA-MANOVA model  sphericity test  zonal polynomial
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