A Simple Sampler for the Horseshoe Estimator
A Simple Sampler for the Horseshoe Estimator
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DOI:
10.1109/lsp.2015.2503725
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发表时间:
2016-01-01
影响因子:
3.9
通讯作者:
Schmidt, Daniel F.
中科院分区:
文献类型:
--
作者:
Makalic, Enes;Schmidt, Daniel F.
In this note we derive a simple Bayesian sampler for linear regression with the horseshoe hierarchy. A new interpretation of the horseshoe model is presented, and extensions to logistic regression and alternative hierarchies, such as horseshoe+, are discussed. Due to the conjugacy of the proposed hierarchy, Chib's algorithm may be used to easily compute the marginal likelihood of the model.