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gRbase (version 1.3.2)

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

1.3.2

License

GPL (>= 2)

Maintainer

S�ren H�jsgaard

Last Published

February 11th, 2010

Functions in gRbase (1.3.2)

breastcancer

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

Mildew fungus
querygraph

Query a graph
graph-operations1

Simple operations on undirected and directed acyclic graphs.
rats

Weightloss of rats
compile,propagate

Compile and propagate functions
combnPrim

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

Coronary artery disease data
hllm

Hierarchical log-linear models
dietox

Growth curves of pigs in a 3x3 factorial experiment
gRbase-utilities

Utility functions for gRbase
reinis

Risk factors for coronary heart disease.
gRfit

Class "gRfit" - fitted graphical models
carcass

lean meat contents of pig carcasses
mpd

Maximal prime subgraph decomposition
ptable

Representation of and operations on multidimensional tables
mathmark

Mathematics marks for students
milkcomp

Milk composition data
cov2pcor

Partial correlation (matrix)
validVarTypes

Admissible variable types in gmData objects
gRbase

The package `gRbase': summary information
table-operations

Compute table margin or table slice
Setoperations

Set operations
gModel

Class "gModel" - graphical models
chestSim

Simulated data from the Chest Clinic example
ashtrees

Crown dieback in ash trees
ug

Create undirected and directed graphs
triangulate

Triangulation of an undirected graph
minimalTriang

Minimal triangulation of an undirected graph
gmData

Class "gmData" graphical meta data
lizard

Lizard behaviour
gRbase-internal

Internal gRbase functions
graph-operations2

More advanced operations on undirected and directed acyclic graphs.