Original paper
Avoiding Boundary Estimates in Linear Mixed Models Through Weakly Informative Priors
Published: Jan 1, 2012
Abstract
Variance parameters in mixed or multilevel models can be difficult to estimate, especially when the number of groups is small. Here we address the problem that the group-level variance estimate is often on the boundary. We propose a maximum penalized likelihood approach which is equivalent to estimating the variance by its marginal posterior mode, given a weakly informative prior distribution. By choosing the prior from the gamma family with at...
Paper Details
Title
Avoiding Boundary Estimates in Linear Mixed Models Through Weakly Informative Priors
Published Date
Jan 1, 2012
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