Search Results for author: Subhashis Ghosal

Found 4 papers, 2 papers with code

Bayesian inference in high-dimensional models

no code implementations12 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

Bayesian Semi-supervised learning under nonparanormality

1 code implementation11 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.

Bayesian method for causal inference in spatially-correlated multivariate time series

1 code implementation19 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

Multivariate Gaussian Network Structure Learning

no code implementations16 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.

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