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gRbase (version 1.2.0)

A package for graphical modelling in R

Description

The gRbase package provides certain general constructs which are used by other graphical modelling packages. This includes 1) the concept of gmData (graphical meta data), 2) several graph algorithms 3) facilities for table operations, 4) functions for testing for conditional independence. gRbase also illustrates how hierarchical log-linear models (hllm) may be implemented.

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Version

Install

install.packages('gRbase')

Monthly Downloads

1,638

Version

1.2.0

License

GPL (>= 2)

Maintainer

S�ren H�jsgaard

Last Published

December 28th, 2009

Functions in gRbase (1.2.0)

reinis

Risk factors for coronary heart disease.
graph-operations2

More advanced operations on undirected and directed acyclic graphs.
breastcancer

Gene expression signatures for p53 mutation status in 250 breast cancer samples
mildew

Mildew fungus
mpd

Maximal prime subgraph decomposition
chestSim

Simulated data from the Chest Clinic example
querygraph

Query a graph
gRfit

Class "gRfit" - fitted graphical models
rats

Weightloss of rats
gRbase-utilities

Utility functions for gRbase
ug

Create undirected and directed graphs
ptable

Representation of and operations on multidimensional tables
triangulate

Triangulation of an undirected graph
lizard

Lizard behaviour
gRbase-internal

Internal gRbase functions
minimalTriang

Minimal triangulation of an undirected graph
gModel

Class "gModel" - graphical models
validVarTypes

Admissible variable types in gmData objects
table-operations

Compute table margin or table slice
hllm

Hierarchical log-linear models
gmData

Class "gmData" graphical meta data
gRbase

The package `gRbase': summary information
dietox

Growth curves of pigs in a 3x3 factorial experiment
carcass

lean meat contents of pig carcasses
mathmark

Mathematics marks for students
Setoperations

Set operations
graph-operations1

Simple operations on undirected and directed acyclic graphs.
cad

Coronary artery disease data
cov2pcor

Partial correlation (matrix)