An estimation method for the Neyman chi-square divergence with application to test of hypotheses

M. Broniatowski and Samantha Leorato

Journal of Multivariate Analysis, 2006, vol. 97, issue 6, 1409-1436

Abstract: We propose a new definition of the Neyman chi-square divergence between distributions. Based on convexity properties and duality, this version of the [chi]2 is well suited both for the classical applications of the [chi]2 for the analysis of contingency tables and for the statistical tests in parametric models, for which it is advocated to be robust against outliers. We present two applications in testing. In the first one, we deal with goodness-of-fit tests for finite and infinite numbers of linear constraints; in the second one, we apply [chi]2-methodology to parametric testing against contamination.

Keywords: Chi-square; divergence; Hypothesis; testing; Linear; constraints; Empirical; likelihood; Marginal; distributions; Contamination; models; Fenchel-Legendre; transform; Outliers (search for similar items in EconPapers)
Date: 2006
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Citations: View citations in EconPapers (3)

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