Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Nonparametric Partial Linear Estimation for Spatial Functional Data with Missing At-Random

Version 1 : Received: 5 December 2023 / Approved: 7 December 2023 / Online: 7 December 2023 (09:14:16 CET)

How to cite: Benchikh, T.; Almanjahie, I.M.; Fetitah, O.; Attouch, M.K. Nonparametric Partial Linear Estimation for Spatial Functional Data with Missing At-Random. Preprints 2023, 2023120496. https://doi.org/10.20944/preprints202312.0496.v1 Benchikh, T.; Almanjahie, I.M.; Fetitah, O.; Attouch, M.K. Nonparametric Partial Linear Estimation for Spatial Functional Data with Missing At-Random. Preprints 2023, 2023120496. https://doi.org/10.20944/preprints202312.0496.v1

Abstract

The aim of this paper is to study a semi-functional partial linear regression model (SFPLR) for spatial data with responses missing at random. The estimators are constructed by the kernel method, and some asymptotic properties such as probability convergence rates of the nonparametric component and asymptotic distribution of the parametric and nonparametric components are established under certain conditions. Next, the performances and the superiority of these estimators are presented and examined using a study on simulated data and on real data by carrying out a comparison between our semi-functional partially linear model with MAR estimator (SFPLRM), the semi-functional partially linear model with the full-case estimator (SFPLRC) and the nonparametric functional model estimator with MAR (FNPM). The results show that the proposed estimators outperform existing estimators as the number of random missing data increases.

Keywords

Missing at random data; Functional data analysis; Asymptotic normality; spatial data; Kernel regression method

Subject

Computer Science and Mathematics, Probability and Statistics

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