Independencies Induced from a Graphical Markov Model After Marginalization and Conditioning: The R Package ggm

We describe some functions in the R package ggm to derive from a given Markov model, represented by a directed acyclic graph, different types of graphs induced after marginalizing over and conditioning on some of the variables. The package has a few basic functions that find the essential graph, the...

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Bibliographic Details
Main Author: Giovanni M. Marchetti
Format: Article
Language:English
Published: Foundation for Open Access Statistics 2006-02-01
Series:Journal of Statistical Software
Subjects:
Online Access:http://www.jstatsoft.org/v15/i06/paper