Abstract
A test is proposed to check whether a random sample comes from a truncation invariant copula C, that is, if C is the copula of a pair (U, V) of random variables uniformly distributed on [0, 1], then C is also the copula of the conditional distribution function of \((U,V\mid U\le \alpha )\) for every \(\alpha \in (0,1]\). The asymptotic normality of the test statistics is shown. Moreover, a procedure is described to simplify the approximation of the asymptotic variance of the test. Its performance is investigated in a simulation study.
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Acknowledgments
We would like to thank Bruno Rémillard for many useful comments about the asymptotic behavior of our test procedure. The authors have been supported by Free University of Bozen-Bolzano, Italy, via the projects COCCO and MODEX. The third author acknowledges the support from National Science Centre, Poland, under project 2015/17/B/HS4/00911.
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Di Lascio, F.M.L., Durante, F., Jaworski, P. (2017). A Test for Truncation Invariant Dependence. In: Ferraro, M., et al. Soft Methods for Data Science. SMPS 2016. Advances in Intelligent Systems and Computing, vol 456. Springer, Cham. https://doi.org/10.1007/978-3-319-42972-4_22
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DOI: https://doi.org/10.1007/978-3-319-42972-4_22
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