2023
DOI: 10.1080/14498596.2023.2170930
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Objective Bayesian analysis for geostatistical Student- t processes

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Cited by 3 publications
(6 citation statements)
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“…To derive an objective prior distribution for a spatial random field's model parameters is currently an unaddressed problem that needs attention. Though the objective prior and the penalized complexity (PC) prior have been developed in Ordoñez et al (2023) and Simpson et al (2016) for student t process and log-Gaussian cox processes respectively, their performances have not been adequately explored. Regardless of the prior distribution, eliciting priors for the parameters is critical, and when wrongly assumed, it could lead to misleading results and inference.…”
Section: Discussionmentioning
confidence: 99%
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“…To derive an objective prior distribution for a spatial random field's model parameters is currently an unaddressed problem that needs attention. Though the objective prior and the penalized complexity (PC) prior have been developed in Ordoñez et al (2023) and Simpson et al (2016) for student t process and log-Gaussian cox processes respectively, their performances have not been adequately explored. Regardless of the prior distribution, eliciting priors for the parameters is critical, and when wrongly assumed, it could lead to misleading results and inference.…”
Section: Discussionmentioning
confidence: 99%
“…The analysis provides a deeper understanding of the neural mechanisms underlying motor function and ultimately improves treatment options for individuals with motor impairments. Though the proposed approach only accommodates Gaussian processes, it can be extended to accommodate other spatial processes such as the student-t process (ORDOÑEZ et al, 2023). The main drawback of the proposed methods is the computational complexity incurred by incorporating the historical data.…”
Section: Discussionmentioning
confidence: 99%
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“…A estimação bayesiana dos modelos propostos é discutida, e uma aplicação em dados educacionais ilustra os benefícios da nova CCI quando comparada com outros modelos de TRI propostos na literatura. Ordoñez et al (2023) introduz uma priori de complexidade penalizada (priori PC) para o parâmetro de assimetria desta família, o que é útil para lidar com dados desbalanceados. Uma expressão geral para essa densidade é obtida e demonstramos sua utilidade para alguns casos particulares, como as funções de ligação potência probito e potência logito.…”
Section: Introductionunclassified