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A new class of random vector entropy estimators and its applications in testing statistical hypotheses 

Authors: M. N. Goria a;  N. N. Leonenko b;  V. V. Mergel c; P. L. Novi Inverardi a
Affiliations:   a Department of Computer and Management Sciences, University of Trento, Trento, Italy
b School of Mathematics, Cardiff University, Cardiff, UK
c Department of Statistics, University of Florida, Gainesville, FL, USA
DOI: 10.1080/104852504200026815
Publication Frequency: 8 issues per year
Published in: journal Journal of Nonparametric Statistics, Volume 17, Issue 3 April 2005 , pages 277 - 297
Formats available: HTML (English) : PDF (English)
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Abstract

This paper proposes a new class of estimators of an unknown entropy of random vector. Its asymptotic unbiasedness and consistency are proved. Further, this class of estimators is used to build both goodness-of-fit and independence tests based on sample entropy. A simulation study indicates that the test involving the proposed entropy estimate has higher power than other well-known competitors under heavy tailed alternatives which are frequently used in many financial applications.
Keywords: Entropy; Multivariate density; Estimator; Goodness-of-fit test; Testing independence; Monte Carlo methods
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