线性模型的受限最有效贝叶斯检验

Restricted most powerful Bayesian tests for linear models

Scandinavian Journal of Statistics · 2016
被引 9
ABS 3

中文导读

本文提出受限最有效贝叶斯检验(RMPBT),通过限制备择假设为g先验,使线性模型的拒绝域与经典F检验一致,为常见线性假设检验提供默认贝叶斯因子。

Abstract

Abstract Uniformly most powerful Bayesian tests (UMPBTs) are a new class of Bayesian tests in which null hypotheses are rejected if their Bayes factor exceeds a specified threshold. The alternative hypotheses in UMPBTs are defined to maximize the probability that the null hypothesis is rejected. Here, we generalize the notion of UMPBTs by restricting the class of alternative hypotheses over which this maximization is performed, resulting in restricted most powerful Bayesian tests (RMPBTs). We then derive RMPBTs for linear models by restricting alternative hypotheses to g priors. For linear models, the rejection regions of RMPBTs coincide with those of usual frequentist F ‐tests, provided that the evidence thresholds for the RMPBTs are appropriately matched to the size of the classical tests. This correspondence supplies default Bayes factors for many common tests of linear hypotheses. We illustrate the use of RMPBTs for ANOVA tests and t ‐tests and compare their performance in numerical studies.

贝叶斯统计假设检验线性模型计量经济学