Benha University

Mohamed Sewalim El-sayed Hamed

Lecturer

Faculty of Commerce Statistics,Math & Insurances

Consistency Issues in Skew Random Fields: Investigating Proposed Alternatives and Identifying Persisting Problems

Pakistan Journal of Statistics and Operation Research (PJSOR) • 2025
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Publication Information
Authors Taghipour, M., Saber, M. M., Khan, M. I., Hamed, M. S. & Yousof, H. M.
Keywords Random field, Multivariate closed skew-normal distribution, Multivariate unified skew-normal distribution, spatial prediction.
Journal Pakistan Journal of Statistics and Operation Research (PJSOR)
Publisher Pakistan Journal of Statistics and Operation Research (PJSOR)
Volume 21
Issue 1
Pages 33-37
publication.type International
Paper Link Open Link
Supplementary Materials Not Available
Abstract
Multiple researchers have proposed skew random fields derived from multivariate skew distributions, yet the consistency of these fields has been questioned. Mahmoudian (2018) and Saber et al. (2018) have proposed alternative suggestions to address these concerns. In our study, we identify that the random fields outlined by Mahmoudian (2018) continue to demonstrate consistency issues, suggesting a flaw in their definition. Finally, we propose a skew random field and apply it to spatial prediction.
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