no code implementations • 12 Jan 2021 • Sayantan Banerjee, Ismaël Castillo, Subhashis Ghosal
Bayesian methods have been proposed for such problems more recently, where the prior takes care of the sparsity structure.
Bayesian Inference Statistics Theory Statistics Theory
1 code implementation • 11 Jan 2020 • Rui Zhu, Subhashis Ghosal
Semi-supervised learning is a classification method which makes use of both labeled data and unlabeled data for training.
1 code implementation • 19 Jan 2018 • Bo Ning, Subhashis Ghosal, Jewell Thomas
A novel Bayesian method is proposed to detect weaker impacts and a multivariate structural time series model is used to capture the spatial correlation between stores through placing a $\mathcal{G}$-Wishart prior on the precision matrix.
Methodology
no code implementations • 16 Sep 2017 • Xingqi Du, Subhashis Ghosal
We consider a graphical model where a multivariate normal vector is associated with each node of the underlying graph and estimate the graphical structure.