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ggm (version 1.0.4)

Graphical Gaussian Models

Description

Functions for fitting Gaussian Markov models.

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Version

Install

install.packages('ggm')

Monthly Downloads

6,060

Version

1.0.4

License

GPL (>= 2)

Maintainer

Giovanni M Marchetti

Last Published

February 15th, 2010

Functions in ggm (1.0.4)

cliques

Cliques of an undirected graph
parcor

Partial correlations
isGident

G-identifiability of an UG
Simple Graph Operations

Simple graph operations
fitConGraph

Fitting of Gaussian concentration graph models
correlations

Marginal and partial correlations
bfs

Breadth first search
pcor.test

Test for zero partial association
transClos

Transitive closure of a graph
swp

Sweep operator
conComp

Connectivity components
pcor

Partial correlation
fitCovGraph

Fitting of Gaussian covariance graph models
cycleMatrix

Fundamental cycles
InducedGraphs

Graphs induced by marginalization or conditioning
UG

Defining an undirected graph (UG)
unmakeAG

Ancestral Graph components
dSep

d-separation
fitAncestralGraph

Fitting of Gaussian Ancestral Graph Models
adjMatrix

Adjacency matrix of a graph
findPath

Finding paths
topSort

Topological sort
cmpGraph

The complementary graph
checkIdent

Identifiability of a model with one latent variable
edgeMatrix

Edge matrix of a graph
marks

Mathematics marks
shipley.test

Test of all independencies implied by a given DAG
rcorr

Random correlation matrix
ggm

The package `ggm': summary information
DAG

Directed acyclic graphs (DAGs)
fitDag

Fitting of Gaussian DAG models
icf

Iterative conditional fitting
In

Indicator matrix
allEdges

All edges of a graph
rsphere

Random vectors on a sphere
glucose

Glucose control
fitDagLatent

Fitting Gaussian DAG models with one latent variable
basiSet

Basis set of a DAG
fundCycles

Fundamental cycles
isAcyclic

Graph queries
makeAG

Ancestral Graphs
rnormDag

Random sample from a decomposable Gaussian model
triDec

Triangular decomposition of a covariance matrix
essentialGraph

Essential graph
drawGraph

Drawing a graph with a simple point and click interface.