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Tail-adaptive Bayesian shrinkage
Feb. 20, 2024, 5:46 a.m. | Se Yoon Lee, Peng Zhao, Debdeep Pati, Bani K. Mallick
stat.ML updates on arXiv.org arxiv.org
Abstract: Robust Bayesian methods for high-dimensional regression problems under diverse sparse regimes are studied. Traditional shrinkage priors are primarily designed to detect a handful of signals from tens of thousands of predictors in the so-called ultra-sparsity domain. However, they may not perform desirably when the degree of sparsity is moderate. In this paper, we propose a robust sparse estimation method under diverse sparsity regimes, which has a tail-adaptive shrinkage property. In this property, the tail-heaviness of …
abstract arxiv bayesian diverse domain math.st paper regression robust shrinkage sparsity stat.ap stat.co stat.me stat.ml stat.th type
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