Assessment of local influence in spatial elliptical linear measurement error models

Hadi Emami and Ali M. Mosammam

Communications in Statistics - Theory and Methods, 2022, vol. 51, issue 10, 3285-3300

Abstract: In this paper, we consider estimation and inference procedures in spatial linear models when some of the covariates are measured with errors. It is assumed that the additive error distributed according to the law belonging to the class of elliptically contoured distributions. The development of the corrected score function with the family of elliptical distributions is the basis for derivation of the estimators. For sensitivity analysis, the local influence approach is used for assessing influence of small perturbations on the parameter estimates. A simulation study is presented illustrating the good performance of the proposed approach, including the robustness property for the heavier tail models. We further illustrate the proposed procedures by an application in a real dataset.

Date: 2022
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Persistent link: https://EconPapers.repec.org/RePEc:taf:lstaxx:v:51:y:2022:i:10:p:3285-3300

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DOI: 10.1080/03610926.2020.1793204

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