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Bias correction in conditional multivariate extremes

Abstract : We consider bias-corrected estimation of the stable tail dependence function in the regression context. To this aim, we first estimate the bias of a smoothed estimator of the stable tail dependence function, and then we subtract it from the estimator. The weak convergence, as a stochastic process, of the resulting asymptotically unbiased estimator of the conditional stable tail dependence function, correctly normalized, is established under mild assumptions, the covariate argument being fixed. The finite sample behaviour of our asymptotically unbiased estimator is then illustrated on a simulation study and compared to two alternatives, which are not bias corrected. Finally, our methodology is applied to a dataset of air pollution measurements.
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Contributor : Armelle Guillou <>
Submitted on : Thursday, October 4, 2018 - 3:39:33 PM
Last modification on : Monday, December 14, 2020 - 6:08:12 PM
Long-term archiving on: : Saturday, January 5, 2019 - 4:26:20 PM


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  • HAL Id : hal-01887925, version 1



Mikael Escobar-Bach, Yuri Goegebeur, Armelle Guillou. Bias correction in conditional multivariate extremes. 2018. ⟨hal-01887925⟩



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