A non-Gaussian multivariate distribution with all lower-dimensional Gaussians and related families

Subhajit Dutta and Marc G. Genton

Journal of Multivariate Analysis, 2014, vol. 132, issue C, 82-93

Abstract: Several fascinating examples of non-Gaussian bivariate distributions which have marginal distribution functions to be Gaussian have been proposed in the literature. These examples often clarify several properties associated with the normal distribution. In this paper, we generalize this result in the sense that we construct a p-dimensional distribution for which any proper subset of its components has the Gaussian distribution. However, the jointp-dimensional distribution is inconsistent with the distribution of these subsets because it is not Gaussian. We study the probabilistic properties of this non-Gaussian multivariate distribution in detail. Interestingly, several popular tests of multivariate normality fail to identify this p-dimensional distribution as non-Gaussian. We further extend our construction to a class of elliptically contoured distributions as well as skewed distributions arising from selections, for instance the multivariate skew-normal distribution.

Keywords: Distribution of products of random variables; Half-normal distribution; Sign function; Skewed distributions; Symmetric distributions (search for similar items in EconPapers)
Date: 2014
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Citations: View citations in EconPapers (3)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:jmvana:v:132:y:2014:i:c:p:82-93

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DOI: 10.1016/j.jmva.2014.07.007

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