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gRbase (version 1.3.3)

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

1,753

Version

1.3.3

License

GPL (>= 2)

Maintainer

S�ren H�jsgaard

Last Published

February 18th, 2010

Functions in gRbase (1.3.3)

ashtrees

Crown dieback in ash trees
carcass

lean meat contents of pig carcasses
compile,propagate

Compile and propagate functions
querygraph

Query a graph
hllm

Hierarchical log-linear models
gModel

Class "gModel" - graphical models
rats

Weightloss of rats
graph-operations1

Simple operations on undirected and directed acyclic graphs.
mathmark

Mathematics marks for students
chestSim

Simulated data from the Chest Clinic example
graph-operations2

More advanced operations on undirected and directed acyclic graphs.
ptable

Representation of and operations on multidimensional tables
table-operations

Compute table margin or table slice
gRbase-internal

Internal gRbase functions
gRbase

The package `gRbase': summary information
ug

Create undirected and directed graphs
breastcancer

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

Class "gmData" graphical meta data
milkcomp

Milk composition data
gRfit

Class "gRfit" - fitted graphical models
lizard

Lizard behaviour
reinis

Risk factors for coronary heart disease.
Setoperations

Set operations
triangulate

Triangulation of an undirected graph
validVarTypes

Admissible variable types in gmData objects
minimalTriang

Minimal triangulation of an undirected graph
dietox

Growth curves of pigs in a 3x3 factorial experiment
combnPrim

Generate All Combinations of n Elements Taken m at a Time
cad

Coronary artery disease data
cov2pcor

Partial correlation (matrix)
gRbase-utilities

Utility functions for gRbase
mpd

Maximal prime subgraph decomposition
mildew

Mildew fungus