On the robust regression for a censored response data in the single functional index model

M’hamed Ezzahrioui and Elias Ould Saïd

Communications in Statistics - Theory and Methods, 2022, vol. 51, issue 15, 5162-5186

Abstract: Let (Tn)n≥1 be an independent and identically distributed (iid) sequence of interest random variables (rv) distributed as T when the latter is subject to an independent censored rv C. In this work, we built and study a family of robust non parametric estimators for a regression function based on a kernel method. The covariates data are random functional type iid linked to single-index model. Under general conditions, we establish the pointwise almost sure convergence with rate an asymptotic normality of the estimator. The asymptotic standard deviation is explicitly given. By product, confidence bands are given and the special case is studied. Finally, simulations are drawn to illustrate both quality of fit and robustness.

Date: 2022
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DOI: 10.1080/03610926.2020.1836217

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