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Criterion constrained Bayesian hierarchical models

    1. [1] Florida State University

      Florida State University

      Estados Unidos

  • Localización: Test: An Official Journal of the Spanish Society of Statistics and Operations Research, ISSN-e 1863-8260, ISSN 1133-0686, Vol. 32, Nº. 1, 2023, págs. 294-320
  • Idioma: inglés
  • Texto completo no disponible (Saber más ...)
  • Resumen
    • The goal of this article is to improve the predictive performance of a Bayesian hierarchical statistical model by incorporating a criterion typically used for model selection. In this article, we view the problem of prediction of a latent real-valued mean as a model selection problem, where the candidate models are from an uncountable infinite set (i.e., the parameter space of the mean represents the candidate set of models). Specifically, we select a subset of our Bayesian hierarchical statistical model’s parameter space with high predictive performance (as measured by a criterion). Explicitly, we truncate the joint support of the data and the parameter space of a given Bayesian hierarchical model to only include small values of the covariance penalized error (CPE) criterion. The CPE is a general expression that contains several information criteria as special cases. Simulation results show that as long as the truncated set does not have near-zero probability, we tend to obtain a lower squared error than Bayesian model averaging. Additional theoretical results are provided asthe foundation for these observations. We apply our approach to a dataset consisting of American Community Survey period estimates to illustrate that this perspective can lead to improvements in a single model.


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