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gRbase (version 1.6-2)

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

2,389

Version

1.6-2

License

GPL (>= 2)

Maintainer

Søren Højsgaard

Last Published

August 6th, 2012

Functions in gRbase (1.6-2)

Simulated data from the Chest Clinic example

Minimal triangulation of an undirected graph

Generate All Combinations of n Elements Taken m at a Time

Create undirected and directed graphs

table-operations

Compute table margin or table slice

Creates adjacency matrix for a graph from a list of generators

Class "gRfit" - fitted graphical models

Maximal prime subgraph decomposition

Hierarchical log-linear models

gRbase-internal

Internal gRbase functions

Representation of and operations on multidimensional tables

Gastric Dumping

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

Mathematics marks for students

gRbase-utilities

Utility functions for gRbase

Lizard behaviour

Risk factors for coronary heart disease.

Milk composition data

Moralize a directed acyclic graph

Admissible variable types in gmData objects

Triangulation of an undirected graph

compile,propagate

Compile and propagate functions

Lean meat contents of 344 pig carcasses

The Nutrimouse Dataset

graph-operations1

Simple operations on undirected and directed acyclic graphs.

Generic function for model comparison

Maximum cardinality search on undirected graph.

Class "gModel" - graphical models

Function for plotting graphs using the 'igraph' package.

Partial correlation (matrix)

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

Growth curves of pigs in a 3x3 factorial experiment

The package `gRbase': summary information

Weightloss of rats

Coronary artery disease data

RIP ordering and junction tree.

Chemical composition of wine

Class "gmData" graphical meta data

Crown dieback in ash trees