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Testing for linearity
Authors:Sándor Csörgő
Institution:Szeged University and University of California, San Diego, La Jolla, CA 92093, USA
Abstract:A nonparametric large sample test is proposed for testing the linearity of a regression model with independent and identically distributed errors satisfying only a very mild tail condition. The statistic is based on the functional least squares estimator of the slope vector. The test is applied to the stack loss data.
Keywords:linearity of regression  functional least squares  nonparametric test
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