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arXiv 1306.6928stat.MEstat.CO
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具有整先验分布的二项回归模型的客观贝叶斯假设检验

Objective Bayesian hypothesis testing in binomial regression models with integral prior distributions

Diego Salmeron, Juan Antonio Cano, C. P. Robert

摘要:

在这项工作中,我们应用积分先验的方法来处理贝叶斯模型选择在二项式回归模型与一般的链接功能。这些模型经常用于调查流行病学研究中的关联和风险,其中一个目标是展示暴露是否是发展某种疾病的风险因素;本文的目的是测试特定暴露因素的影响。我们制定了贝叶斯模型选择情况下的问题,并解决它使用客观贝叶斯因素。为了在二项回归模型的回归系数上构造参考先验分布,我们依赖于积分先验的方法,该方法几乎是自动的,因为它只需要指定估计参考先验,并且不依赖于这些先验中的调整参数或超参数。

英文摘要:

In this work we apply the methodology of integral priors to handle Bayesian model selection in binomial regression models with a general link function. These models are very often used to investigate associations and risks in epidemiological studies where one goal is to exhibit whether or not an exposure is a risk factor for developing a certain disease; the purpose of the current paper is to test the effect of specific exposure factors. We formulate the problem as a Bayesian model selection case and solve it using objective Bayes factors. To construct the reference prior distributions on the regression coefficients of the binomial regression models, we rely on the methodology of integral priors that is nearly automatic as it only requires the specification of estimation reference priors and it does not depend on tuning parameters or on hyperparameters within these priors.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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