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Analysis of parameters of the exponentiated inverse Rayleigh distribution under the Bayesian framework
Örebro University, Örebro University School of Business. Unit of Statistics.ORCID iD: 0000-0002-8924-3492
Örebro University, Örebro University School of Business. Unit of Statistics.
Department of Mathematics and Statistics, University of Lahore, Sargodha Campus, Pakistan.
Department of Statistics, Government Postgraduate College Kohat, Khyber Pakhtunkhwa, Pakistan.
2025 (English)In: Kuwait Journal of Science, ISSN 2307-4108, Vol. 52, no 3, article id 100424Article in journal (Refereed) Published
Abstract [en]

Estimating the unknown parameter(s) of distribution using Bayesian framework is a core topic in statistical literature. This study focuses on the Bayesian estimation and prior selection for the scale and shape parameters of the exponentiated inverse Rayleigh distribution. We consider both informative (chi-square, inverse Le<acute accent>vy) and non-informative (uniform, Jeffreys) priors to update the current state of knowledge regarding the unknown parameters. The squared error loss function (SELF), LINEX loss function (LLF), precautionary loss function (PLF), and quasi-quadratic loss function (QQLF) are employed to demonstrate the effectiveness of priors while estimating the parameters. Expressions for posterior distributions, Bayes estimators (BE), Bayes posterior risks (BPR), credible intervals, and predictive intervals are derived under the aforementioned conditions. Extensive simulation as well as real data analysis is carried out to show the relative performances of the priors and loss functions by comparing the respective BPRs. The results reveal that the inverse Le<acute accent>vy prior outperforms the other priors in terms of minimum BPR and providing tighter credible and predictive intervals while estimating the scale parameter. Whereas, for the shape parameter, the gamma prior shows superior performance. The real data analysis cements the findings of the simulation study.

Place, publisher, year, edition, pages
Elsevier, 2025. Vol. 52, no 3, article id 100424
Keywords [en]
Exponentiated inverse Rayleigh distribution, Bayesian inference, Predictive inference, Simulation study
National Category
Probability Theory and Statistics
Identifiers
URN: urn:nbn:se:oru:diva-121038DOI: 10.1016/j.kjs.2025.100424ISI: 001479837000001Scopus ID: 2-s2.0-105003258465OAI: oai:DiVA.org:oru-121038DiVA, id: diva2:1958427
Available from: 2025-05-15 Created: 2025-05-15 Last updated: 2025-10-16Bibliographically approved

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Asif, MuhammadRaftab, Mariya

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