Bayesian graphical models for modern biological applications

Y Ni, V Baladandayuthapani, M Vannucci… - Statistical Methods & …, 2022 - Springer
Graphical models are powerful tools that are regularly used to investigate complex
dependence structures in high-throughput biomedical datasets. They allow for holistic …

Covariate-assisted Bayesian graph learning for heterogeneous data

Y Niu, Y Ni, D Pati, BK Mallick - Journal of the American Statistical …, 2024 - Taylor & Francis
In a traditional Gaussian graphical model, data homogeneity is routinely assumed with no
extra variables affecting the conditional independence. In modern genomic datasets, there is …

Bayesian graphical regression

Y Ni, FC Stingo… - Journal of the American …, 2019 - Taylor & Francis
We consider the problem of modeling conditional independence structures in heterogenous
data in the presence of additional subject-level covariates—termed graphical regression …

[HTML][HTML] Estimating networks with jumps

M Kolar, EP **ng - Electronic journal of statistics, 2012 - ncbi.nlm.nih.gov
We study the problem of estimating a temporally varying coefficient and varying structure
(VCVS) graphical model underlying data collected over a period of time, such as social …

Simultaneous inference for pairwise graphical models with generalized score matching

M Yu, V Gupta, M Kolar - Journal of Machine Learning Research, 2020 - jmlr.org
Probabilistic graphical models provide a flexible yet parsimonious framework for modeling
dependencies among nodes in networks. There is a vast literature on parameter estimation …

Bayesian estimation of covariate assisted principal regression for brain functional connectivity

HG Park - Biostatistics, 2024 - academic.oup.com
This paper presents a Bayesian reformulation of covariate-assisted principal regression for
covariance matrix outcomes to identify low-dimensional components in the covariance …

Bayesian covariate-dependent Gaussian graphical models with varying structure

Y Ni, FC Stingo, V Baladandayuthapani - Journal of Machine Learning …, 2022 - jmlr.org
We introduce Bayesian Gaussian graphical models with covariates (GGMx), a class of
multivariate Gaussian distributions with covariate-dependent sparse precision matrix. We …

High-dimensional Gaussian graphical regression models with covariates

J Zhang, Y Li - Journal of the American Statistical Association, 2023 - Taylor & Francis
Though Gaussian graphical models have been widely used in many scientific fields,
relatively limited progress has been made to link graph structures to external covariates. We …

Bayesian edge regression in undirected graphical models to characterize interpatient heterogeneity in cancer

Z Wang, V Baladandayuthapani, AO Kaseb… - Journal of the …, 2022 - Taylor & Francis
It is well established that interpatient heterogeneity in cancer may significantly affect
genomic data analyses and in particular, network topologies. Most existing graphical model …

[PDF][PDF] Sparse machine learning methods for understanding large text corpora.

L El Ghaoui, GC Li, VA Duong, V Pham, AN Srivastava… - CIDU, 2011 - ashoksrivastava.com
Sparse machine learning has recently emerged as powerful tool to obtain models of high-
dimensional data with high degree of interpretability, at low computational cost. This paper …