Effective Bayesian inference for sparse factor analysis models
KJ Sharp - 2011 - search.proquest.com
We study how to perform effective Bayesian inference in high-dimensional sparse Factor
Analysis models with a zero-norm, sparsity-inducing prior on the model parameters. Such …
Analysis models with a zero-norm, sparsity-inducing prior on the model parameters. Such …
Sparse Bayesian factor analysis when the number of factors is unknown
S Frühwirth-Schnatter, D Hosszejni… - Bayesian Analysis, 2024 - projecteuclid.org
There has been increased research interest in the subfield of sparse Bayesian factor
analysis with shrinkage priors, which achieve additional sparsity beyond the natural …
analysis with shrinkage priors, which achieve additional sparsity beyond the natural …
[PDF][PDF] A Comparison of Bayesian Inference Techniques for Sparse Factor Models
YS Foo - 2020 - vrs.amsi.org.au
Dimension reduction algorithms aim to discover latent variables which describe underlying
structures in high-dimensional data. Traditional methods such as principal component …
structures in high-dimensional data. Traditional methods such as principal component …
A Bayesian sparse factor model with adaptive posterior concentration
In this paper, we propose a new Bayesian inference method for a highdimensional sparse
factor model that allows both the factor dimensionality and the sparse structure of the …
factor model that allows both the factor dimensionality and the sparse structure of the …
[PDF][PDF] A Comparison of Inference Methods for Sparse Factor Analysis Models
O Stegle, K Sharp, M Rattray, J Winn - Citeseer
Factor analysis is a general purpose technique for dimensionality reduction with
applications in diverse areas including computer vision, collaborative filtering and …
applications in diverse areas including computer vision, collaborative filtering and …
A Novel Identification Approach to Bayesian Factor Analysis with Sparse Loadings Matrices
M Pape - Available at SSRN 2399368, 2014 - papers.ssrn.com
Sparse factor analysis comprises aspects of exploratory and confirmatory factor analysis,
seeking to establish a parsimonious structure in the loadings matrix of the model. This task is …
seeking to establish a parsimonious structure in the loadings matrix of the model. This task is …
Sparse Bayesian infinite factor models
A Bhattacharya, DB Dunson - Biometrika, 2011 - academic.oup.com
We focus on sparse modelling of high-dimensional covariance matrices using Bayesian
latent factor models. We propose a multiplicative gamma process shrinkage prior on the …
latent factor models. We propose a multiplicative gamma process shrinkage prior on the …
Posterior consistency of factor dimensionality in high-dimensional sparse factor models
Factor models aim to describe a dependence structure among high-dimensional random
variables in terms of a low-dimensional unobserved random vector called a factor. One of …
variables in terms of a low-dimensional unobserved random vector called a factor. One of …
[PDF][PDF] Bayesian factor regression models in the “large p, small n” paradigm
JM Bernardo, MJ Bayarri, JO Berger, AP Dawid… - Bayesian …, 2003 - stat.duke.edu
SUMMARY I discuss Bayesian factor regression models with many explanatory variables.
These models are of particular interest and applicability in problems of prediction, but also …
These models are of particular interest and applicability in problems of prediction, but also …
Sparse factor model via regularization and its extension to regression analysis
K Hirose - Proceedings of the annual meeting of Japanese …, 2016 - jstage.jst.go.jp
Factor analysis is used to explore the covariance structure among a set of observed random
variables. The technique constructs a reduced number of random variables called common …
variables. The technique constructs a reduced number of random variables called common …