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gRbase (version 1.4.1)

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

1.4.1

License

GPL (>= 2)

Maintainer

S�ren H�jsgaard

Last Published

September 8th, 2011

Functions in gRbase (1.4.1)

Coronary artery disease data

Creates adjacency matrix for a graph from a list of generators

Maximum cardinality search on undirected graph.

Simulated data from the Chest Clinic example

Maximal prime subgraph decomposition

graph-operations1

Simple operations on undirected and directed acyclic graphs.

Class "gModel" - graphical models

compile,propagate

Compile and propagate functions

Class "gmData" graphical meta data

Weightloss of rats

Hierarchical log-linear models

Find edges in a graph and edges not in a graph.

The package `gRbase': summary information

Generic function for model comparison

table-operations

Compute table margin or table slice

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

Function for plotting graphs using the 'igraph' package.

Growth curves of pigs in a 3x3 factorial experiment

Triangulation of an undirected graph

gRbase-utilities

Utility functions for gRbase

Minimal triangulation of an undirected graph

Lizard behaviour

RIP ordering and junction tree.

Crown dieback in ash trees

Create undirected and directed graphs

Mathematics marks for students

Chemical composition of wine

Moralize a directed acyclic graph

The Nutrimouse Dataset

Class "gRfit" - fitted graphical models

gRbase-internal

Internal gRbase functions

Risk factors for coronary heart disease.

Representation of and operations on multidimensional tables

Gastric Dumping

Milk composition data

Admissible variable types in gmData objects

Generate All Combinations of n Elements Taken m at a Time

Lean meat contents of 344 pig carcasses

Partial correlation (matrix)