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Empowering differential networks using Bayesian analysis.


ABSTRACT: Differential networks (DN) are important tools for modeling the changes in conditional dependencies between multiple samples. A Bayesian approach for estimating DNs, from the classical viewpoint, is introduced with a computationally efficient threshold selection for graphical model determination. The algorithm separately estimates the precision matrices of the DN using the Bayesian adaptive graphical lasso procedure. Synthetic experiments illustrate that the Bayesian DN performs exceptionally well in numerical accuracy and graphical structure determination in comparison to state of the art methods. The proposed method is applied to South African COVID-19 data to investigate the change in DN structure between various phases of the pandemic.

SUBMITTER: Smith J 

PROVIDER: S-EPMC8789149 | biostudies-literature | 2022

REPOSITORIES: biostudies-literature

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Empowering differential networks using Bayesian analysis.

Smith Jarod J   Arashi Mohammad M   Bekker Andriëtte A  

PloS one 20220125 1


Differential networks (DN) are important tools for modeling the changes in conditional dependencies between multiple samples. A Bayesian approach for estimating DNs, from the classical viewpoint, is introduced with a computationally efficient threshold selection for graphical model determination. The algorithm separately estimates the precision matrices of the DN using the Bayesian adaptive graphical lasso procedure. Synthetic experiments illustrate that the Bayesian DN performs exceptionally we  ...[more]

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