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gRbase (version 1.4.4)

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

1.4.4

License

GPL (>= 2)

Maintainer

S�ren H�jsgaard

Last Published

January 19th, 2012

Functions in gRbase (1.4.4)

Crown dieback in ash trees

Gastric Dumping

Minimal triangulation of an undirected graph

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

graph-operations1

Simple operations on undirected and directed acyclic graphs.

Lean meat contents of 344 pig carcasses

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

Growth curves of pigs in a 3x3 factorial experiment

Creates adjacency matrix for a graph from a list of generators

table-operations

Compute table margin or table slice

Chemical composition of wine

Maximum cardinality search on undirected graph.

Create undirected and directed graphs

Coronary artery disease data

Risk factors for coronary heart disease.

gRbase-internal

Internal gRbase functions

Triangulation of an undirected graph

Representation of and operations on multidimensional tables

Maximal prime subgraph decomposition

Hierarchical log-linear models

Mathematics marks for students

gRbase-utilities

Utility functions for gRbase

compile,propagate

Compile and propagate functions

Class "gRfit" - fitted graphical models

RIP ordering and junction tree.

Weightloss of rats

Partial correlation (matrix)

Class "gModel" - graphical models

The Nutrimouse Dataset

Admissible variable types in gmData objects

The package `gRbase': summary information

Class "gmData" graphical meta data

Generate All Combinations of n Elements Taken m at a Time

Generic function for model comparison

Moralize a directed acyclic graph

Lizard behaviour

Simulated data from the Chest Clinic example

Milk composition data

Function for plotting graphs using the 'igraph' package.