edu.cmu.minorthird.classify.semisupervised
Class MultinomialClassifier

java.lang.Object
  edu.cmu.minorthird.classify.semisupervised.MultinomialClassifier

All Implemented Interfaces:

Classifier, SemiSupervisedClassifier, Visible, java.io.Serializable

public class MultinomialClassifier
extends java.lang.Object
implements SemiSupervisedClassifier, Classifier, Visible, java.io.Serializable

Author:

Edoardo Airoldi Date: Mar 15, 2004

See Also:

Serialized Form

Constructor Summary

MultinomialClassifier()

Method Summary

void	addValidLabel(ClassLabel label)
ClassLabel	classification(Instance instance) Return a predicted type for each element of the sequence.
java.lang.String	explain(Instance instance) Return some string that 'explains' the classification
java.util.Iterator<Feature>	featureIterator()
Explanation	getExplanation(Instance instance) Return an Explanation for the classification
java.lang.String	getFeatureModel(Feature feature)
ClassLabel	getLabel(int i)
double	getLogLikelihood(Example example)
double	getPrior()
java.lang.String	getUnseenModel()
int	indexOf(ClassLabel label)
boolean	isPresent(ClassLabel label)
java.lang.Object[]	keys()
void	reset()
double[]	score(Instance instance)
void	setClassParameter(int j, double probabilityOfOccurrence)
void	setFeatureGivenClassParameter(Feature f, int j, double probabilityOfOccurrence)
void	setFeatureModel(Feature feature, java.lang.String model)
void	setPrior(double pi)
void	setScale(double value)
void	setUnseenModel(java.lang.String str)
Viewer	toGUI() Create a view of this object
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

MultinomialClassifier

public MultinomialClassifier()

Method Detail

classification

public ClassLabel classification(Instance instance)

Description copied from interface: SemiSupervisedClassifier

Return a predicted type for each element of the sequence.

Specified by:

classification in interface Classifier

Specified by:

classification in interface SemiSupervisedClassifier

score

public double[] score(Instance instance)

explain

public java.lang.String explain(Instance instance)

Description copied from interface: SemiSupervisedClassifier

Return some string that 'explains' the classification

Specified by:

explain in interface Classifier

Specified by:

explain in interface SemiSupervisedClassifier

getExplanation

public Explanation getExplanation(Instance instance)

Description copied from interface: Classifier

Return an Explanation for the classification

Specified by:

getExplanation in interface Classifier

setScale

public void setScale(double value)

getPrior

public double getPrior()

setPrior

public void setPrior(double pi)

getUnseenModel

public java.lang.String getUnseenModel()

setUnseenModel

public void setUnseenModel(java.lang.String str)

getLogLikelihood

public double getLogLikelihood(Example example)

reset

public void reset()

isPresent

public boolean isPresent(ClassLabel label)

addValidLabel

public void addValidLabel(ClassLabel label)

getLabel

public ClassLabel getLabel(int i)

indexOf

public int indexOf(ClassLabel label)

setFeatureGivenClassParameter

public void setFeatureGivenClassParameter(Feature f,
                                          int j,
                                          double probabilityOfOccurrence)

setClassParameter

public void setClassParameter(int j,
                              double probabilityOfOccurrence)

setFeatureModel

public void setFeatureModel(Feature feature,
                            java.lang.String model)

getFeatureModel

public java.lang.String getFeatureModel(Feature feature)

featureIterator

public java.util.Iterator<Feature> featureIterator()

keys

public java.lang.Object[] keys()

toGUI

public Viewer toGUI()

Description copied from interface: Visible

Create a view of this object

Specified by:

toGUI in interface Visible

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object