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gRbase (version 1.3.0)

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

1,753

Version

1.3.0

License

GPL (>= 2)

Maintainer

S�ren H�jsgaard

Last Published

December 29th, 2009

Functions in gRbase (1.3.0)

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

Coronary artery disease data

graph-operations1

Simple operations on undirected and directed acyclic graphs.

Lizard behaviour

Simulated data from the Chest Clinic example

Weightloss of rats

The package `gRbase': summary information

Maximal prime subgraph decomposition

Minimal triangulation of an undirected graph

gRbase-internal

Internal gRbase functions

lean meat contents of pig carcasses

Class "gRfit" - fitted graphical models

Mathematics marks for students

Generate All Combinations of n Elements Taken m at a Time

Class "gModel" - graphical models

table-operations

Compute table margin or table slice

Triangulation of an undirected graph

Risk factors for coronary heart disease.

Partial correlation (matrix)

Admissible variable types in gmData objects

Representation of and operations on multidimensional tables

Class "gmData" graphical meta data

Growth curves of pigs in a 3x3 factorial experiment

gRbase-utilities

Utility functions for gRbase

graph-operations2

More advanced operations on undirected and directed acyclic graphs.

Hierarchical log-linear models

Create undirected and directed graphs