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gRbase (version 1.5-1)

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

1.5-1

License

GPL (>= 2)

Maintainer

S�ren H�jsgaard

Last Published

August 1st, 2012

Functions in gRbase (1.5-1)

Triangulation of an undirected graph

Admissible variable types in gmData objects

Create undirected and directed graphs

Mathematics marks for students

Growth curves of pigs in a 3x3 factorial experiment

Gastric Dumping

Risk factors for coronary heart disease.

Maximum cardinality search on undirected graph.

Partial correlation (matrix)

Generate All Combinations of n Elements Taken m at a Time

gRbase-utilities

Utility functions for gRbase

Milk composition data

Simulated data from the Chest Clinic example

Lean meat contents of 344 pig carcasses

The package `gRbase': summary information

Maximal prime subgraph decomposition

Class "gRfit" - fitted graphical models

The Nutrimouse Dataset

Function for plotting graphs using the 'igraph' package.

RIP ordering and junction tree.

Chemical composition of wine

Moralize a directed acyclic graph

gRbase-internal

Internal gRbase functions

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

Creates adjacency matrix for a graph from a list of generators

Generic function for model comparison

Representation of and operations on multidimensional tables

Crown dieback in ash trees

Class "gModel" - graphical models

Coronary artery disease data

Class "gmData" graphical meta data

Hierarchical log-linear models

graph-operations1

Simple operations on undirected and directed acyclic graphs.

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

Lizard behaviour

Weightloss of rats

Minimal triangulation of an undirected graph

table-operations

Compute table margin or table slice

compile,propagate

Compile and propagate functions