cc.mallet.grmm.types
Class DirectedModel

java.lang.Object
  cc.mallet.grmm.types.FactorGraph
      cc.mallet.grmm.types.DirectedModel

All Implemented Interfaces:

Factor, java.io.Serializable, java.lang.Cloneable

public class DirectedModel
extends FactorGraph

Class for directed graphical models. This is just a souped-up Graph. Created: Mon Sep 15 14:50:19 2003

Version:

$Id: DirectedModel.java,v 1.1 2007/10/22 21:37:44 mccallum Exp $

Author:

Charles Sutton

See Also:

Serialized Form

Constructor Summary

DirectedModel()

DirectedModel(int capacity)

DirectedModel(Variable[] vars)

Method Summary

protected void	afterFactorAdd(Factor factor) Performs operations on a factor after it has been added to the model, such as caching.
protected void	beforeFactorAdd(Factor factor) Performs checking of a factor before it is added to the model.
CPT	getCptofVar(Variable node) Returns the conditional distribution P ( node | Parents (node) )

Methods inherited from class cc.mallet.grmm.types.FactorGraph

addFactor, addFactor, allFactorsContaining, allFactorsContaining, allFactorsOf, allFactorsOf, almostEquals, almostEquals, argmax, assignmentIterator, asTable, clear, containsVar, divideBy, dump, dump, dumpToString, duplicate, entropy, exponentiate, extractMax, extractMax, extractMax, factorOf, factorOf, factorOf, factorOf, factorProduct, factors, factorsIterator, findVariable, get, getAdjacentVertices, getDegree, getFactor, getIndex, getIndex, getInferenceCache, getVariable, isAdjacent, isNaN, logify, logValue, logValue, logValue, marginalize, marginalize, marginalize, marginalizeOut, marginalizeOut, multiply, multiplyBy, normalize, numVariables, prettyOutputString, printAsDot, printAsDot, remove, remove, sample, sampleContinuousVars, setInferenceCache, slice, slice, sum, toString, value, value, variablesIterator, variablesSet, varSet, varSetIterator

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

DirectedModel

public DirectedModel()

DirectedModel

public DirectedModel(Variable[] vars)

DirectedModel

public DirectedModel(int capacity)

Method Detail

beforeFactorAdd

protected void beforeFactorAdd(Factor factor)

Description copied from class: FactorGraph

Performs checking of a factor before it is added to the model. This method should throw an unchecked exception if there is a problem. This implementation does nothing, but it may be overridden by subclasses.

Overrides:

beforeFactorAdd in class FactorGraph

Parameters:

factor - Factor that is about to be added

afterFactorAdd

protected void afterFactorAdd(Factor factor)

Description copied from class: FactorGraph

Performs operations on a factor after it has been added to the model, such as caching. This implementation does nothing, but it may be overridden by subclasses.

Overrides:

afterFactorAdd in class FactorGraph

Parameters:

factor - Factor that has just been added

getCptofVar

public CPT getCptofVar(Variable node)

Returns the conditional distribution P ( node | Parents (node) )