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Distribution functions of copulas: a class of bivariate probability integral transforms

We discuss a two-dimensional analog of the probability integral transform for bivariate distribution functions H 1 and H 2, i.e., the distribution function of the random variable H 1( X, Y) given that the joint distribution function of the random variables X and Y is H 2. We study the case when H 1...

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Bibliographic Details
Published in:Statistics & probability letters 2001-10, Vol.54 (3), p.277-282
Main Authors: Nelsen, Roger B., Quesada-Molina, José Juan, Rodrı́guez-Lallena, José Antonio, Úbeda-Flores, Manuel
Format: Article
Language:English
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Summary:We discuss a two-dimensional analog of the probability integral transform for bivariate distribution functions H 1 and H 2, i.e., the distribution function of the random variable H 1( X, Y) given that the joint distribution function of the random variables X and Y is H 2. We study the case when H 1 and H 2 have the same continuous marginal distributions, showing that the distribution function of H 1( X, Y) depends only on the copulas C 1 and C 2 associated with H 1 and H 2. We examine various properties of these “distribution functions of copulas”, and illustrate applications including dependence orderings and measures of association.
ISSN:0167-7152
1879-2103
DOI:10.1016/S0167-7152(01)00060-8