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Large-sample inference for nonparametric regression with dependent errors

delete1997-10-01
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Peter M. Robinson *
DOI:10.1214/aos/1069362387delete
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Abstract

Abstract

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A central limit theorem is given for certain weighted partial sums of a covariance stationary process, assuming it is linear in martingale differences, but without any restriction on its spectrum. We apply the result to kernel nonparametric fixed-design regression, giving a single central limit theorem which indicates how error spectral behavior at only zero frequency influences the asymptotic distribution and covers long-range, short-range and negative dependence. We show how the regression estimates can be Studentized in the absence of previous knowledge of which form of dependence pertains, and show also that a simpler Studentization is possible when long-range dependence can be taken for granted.
Keywords:
central limit theorem
nonparametric regression
autocorrelation
long range dependence
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Journal

Annals of Statistics cover
Annals of Statistics
IF:
3.7
Papers:
2.8K
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2.9W

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