Adjusted Likelihood Inference in an Elliptical Multivariate Errors-in-Variables Model

Tatiane F. N. Melo and Silvia L. P. Ferrari

Communications in Statistics - Theory and Methods, 2014, vol. 43, issue 24, 5226-5240

Abstract: In this paper, we obtain an adjusted version of the likelihood ratio (LR) test for errors-in-variables multivariate linear regression models. The error terms are allowed to follow a multivariate distribution in the class of the elliptical distributions, which has the multivariate normal distribution as a special case. We derive a modified LR statistic that follows a chi-squared distribution with a high degree of accuracy. Our results generalize those in Melo and Ferrari (Advances in Statistical Analysis, 2010, 94, pp. 75–87) by allowing the parameter of interest to be vector-valued in the multivariate errors-in-variables model. We report a simulation study which shows that the proposed test displays superior finite sample behavior relative to the standard LR test.

Date: 2014
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DOI: 10.1080/03610926.2012.731126

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