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gRbase (version 1.3.4)

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

1.3.4

License

GPL (>= 2)

Maintainer

S�ren H�jsgaard

Last Published

March 2nd, 2010

Functions in gRbase (1.3.4)

Milk composition data

Simulated data from the Chest Clinic example

Crown dieback in ash trees

lean meat contents of pig carcasses

Triangulation of an undirected graph

Admissible variable types in gmData objects

graph-operations2

More advanced operations on undirected and directed acyclic graphs.

gRbase-utilities

Utility functions for gRbase

Class "gModel" - graphical models

Mathematics marks for students

Coronary artery disease data

The package `gRbase': summary information

Hierarchical log-linear models

Class "gRfit" - fitted graphical models

Weightloss of rats

Class "gmData" graphical meta data

compile,propagate

Compile and propagate functions

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

Generate All Combinations of n Elements Taken m at a Time

graph-operations1

Simple operations on undirected and directed acyclic graphs.

table-operations

Compute table margin or table slice

Partial correlation (matrix)

Representation of and operations on multidimensional tables

Create undirected and directed graphs

Growth curves of pigs in a 3x3 factorial experiment

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

Maximal prime subgraph decomposition

gRbase-internal

Internal gRbase functions

Lizard behaviour

Risk factors for coronary heart disease.

Minimal triangulation of an undirected graph