Bias-corrected estimation for conditional Pareto-type distributions with random right censoring

被引:11
|
作者
Goegebeur, Yuri [1 ]
Guillou, Armelle [2 ,3 ]
Qin, Jing [1 ]
机构
[1] Univ Southern Denmark, Dept Math & Comp Sci, Campusvej 55, DK-5230 Odense M, Denmark
[2] Univ Strasbourg, Inst Rech Math Avancee, UMR 7501, 7 Rue Rene Descartes, F-67084 Strasbourg, France
[3] CNRS, 7 Rue Rene Descartes, F-67084 Strasbourg, France
关键词
Pareto-type model; Random covariate; Random right censoring; Local estimation; Bias-reduction; EXTREME-VALUE INDEX; NONPARAMETRIC-ESTIMATION; MOMENT ESTIMATOR; ROBUST; REGRESSION; QUANTILES; EXPONENT;
D O I
10.1007/s10687-019-00341-7
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
We consider bias-reduced estimation of the extreme value index in conditional Pareto-type models with random covariates when the response variable is subject to random right censoring. The bias-correction is obtained by fitting the extended Pareto distribution locally to the relative excesses over a high threshold using the maximum likelihood method. Convergence in probability and asymptotic normality of the estimators are established under suitable assumptions. The finite sample behaviour is illustrated with a simulation experiment and the method is applied to two real datasets.
引用
收藏
页码:459 / 498
页数:40
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