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2008 On the performances of a new thresholding procedure using tree structure
Florent Autin
Electron. J. Statist. 2: 412-431 (2008). DOI: 10.1214/08-EJS205

Abstract

This paper deals with the problem of function estimation. Using the white noise model setting, we provide a method to construct a new wavelet procedure based on thresholding rules which takes advantage of the dyadic structure of the wavelet decomposition. We prove that this new procedure performs very well since, on the one hand, it is adaptive and near-minimax over a large class of Besov spaces and, on the other hand, the maximal functional space (maxiset) where this procedure attains a given rate of convergence is very large. More than this, by studying the shape of its maxiset, we prove that the new procedure outperforms the hard thresholding procedure.

Citation

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Florent Autin. "On the performances of a new thresholding procedure using tree structure." Electron. J. Statist. 2 412 - 431, 2008. https://doi.org/10.1214/08-EJS205

Information

Published: 2008
First available in Project Euclid: 23 May 2008

zbMATH: 1135.62028
MathSciNet: MR2411441
Digital Object Identifier: 10.1214/08-EJS205

Subjects:
Primary: 62G05, 62G07

Rights: Copyright © 2008 The Institute of Mathematical Statistics and the Bernoulli Society

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