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abn (version 0.82)

Data Modelling with Additive Bayesian Networks

Description

Additive Bayesian network models are equivalent to Bayesian multivariate regression using graphical modelling. This library provides routines to help determine optimal Bayesian network models for a given data set, where these models are used to identify statistical dependencies in messy, complex data. The additive formulation of these models is equivalent to multivariate generalised linear modelling (including mixed models). The usual term to describe this model selection process is structure discovery. The core functionality is concerned with model selection - determining the most robust empirical model of data from interdependent variables. Laplace approximations are used to estimate goodness of fit metrics and model parameters, and wrappers are also included to the INLA library. A comprehensive set of documented case studies, numerical accuracy/quality assurance exercises, and additional documentation are available from the abn website.

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Version

Install

install.packages('abn')

Monthly Downloads

590

Version

0.82

License

GPL (>= 2)

Maintainer

Fraser Lewis

Last Published

January 4th, 2013

Functions in abn (0.82)

ex3.dag.data

Validation data set for use with abn library examples
ex6.dag.data

Valdiation data set for use with abn library examples
ex0.dag.data

Synthetic validation data set for use with abn library examples
ex2.dag.data

Synthetic validation data set for use with abn library examples
abninla-internal

abn internal functions
ex1.dag.data

Synthetic validation data set for use with abn library examples
tographviz

Convert a dag into graphviz format
ex5.dag.data

Valdiation data set for use with abn library examples
fitabn

Fit an additive Bayesian network model
buildscorecache

Build a cache of goodness of fit metrics for each node in a DAG, possibly subject to user defined restrictions
search.hillclimber

Find high scoring directed acyclic graphs using heuristic search
ex4.dag.data

Valdiation data set for use with abn library examples
ex7.dag.data

Valdiation data set for use with abn library examples
mostprobable

Find most probable DAG structure