Projection predictive variable selection using Stan+R

This document is additional material to our previous study comparing several strategies for variable subset selection. Our recommended approach was to fit the full model with all the candidate variables and best possible prior information, and perform the variable selection using the projection pred...

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Bibliographic Details
Published in:arXiv.org 2015-08
Main Authors: Piironen, Juho, Vehtari, Aki
Format: Article
Language:English
Subjects:
Mathematical models
Online Access:Get full text
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Summary:This document is additional material to our previous study comparing several strategies for variable subset selection. Our recommended approach was to fit the full model with all the candidate variables and best possible prior information, and perform the variable selection using the projection predictive framework. Here we give an example of performing such an analysis, using Stan for fitting the model, and R for the variable selection.
ISSN:2331-8422