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Moderate deviations for the Durbin–Watson statistic related tothe first-order autoregressive process

Published online by Cambridge University Press:  03 October 2014

S. Valère Bitseki Penda ,
Hacène Djellout  and
Frédéric Proïa
S. Valère Bitseki Penda
Affiliation:
Laboratoire de Mathématiques, CNRS UMR 6620, Université Blaise Pascal, Avenue des Landais, 63177 Aubière, France. [email protected]
Hacène Djellout
Affiliation:
Laboratoire de Mathématiques, CNRS UMR 6620, Université Blaise Pascal, Avenue des Landais, 63177 Aubière, France; [email protected]
Frédéric Proïa
Affiliation:
Université Bordeaux 1, Institut de Mathématiques de Bordeaux, UMR 5251, and INRIA Bordeaux, team ALEA, 200 Avenue de la Vieille Tour, 33405 Talence cedex, France; [email protected]
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Abstract

The purpose of this paper is to investigate moderate deviations for the Durbin–Watsonstatistic associated with the stable first-order autoregressive process where the drivennoise is also given by a first-order autoregressive process. We first establish a moderatedeviation principle for both the least squares estimator of the unknown parameter of theautoregressive process as well as for the serial correlation estimator associated with thedriven noise. It enables us to provide a moderate deviation principle for theDurbin–Watson statistic in the case where the driven noise is normally distributed and inthe more general case where the driven noise satisfies a less restrictive Chen–Ledoux typecondition.

Keywords

Durbin–Watson statisticmoderate deviation principlefirst-order autoregressive processserial correlation
Type
Research Article
Information
ESAIM: Probability and Statistics , Volume 18 , 2014 , pp. 308 - 331
Copyright
© EDP Sciences, SMAI 2014

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