info.ephyra.questionanalysis.atype.minorthird.hierarchical
Class HierarchicalClassifierTrainer

java.lang.Object
  info.ephyra.questionanalysis.atype.minorthird.hierarchical.HierarchicalClassifierTrainer

public class HierarchicalClassifierTrainer
extends java.lang.Object

Tool for training and evaluating hierarchical classifiers.

Version:

2008-02-10

Author:

Justin Betteridge

Field Summary

private edu.cmu.minorthird.classify.Classifier	classifier
private java.lang.String	classifierDir
private java.util.HashSet<java.lang.String>	classLabels
private int	crossValidationFolds
private edu.cmu.minorthird.classify.experiments.CrossValidatedDataset	cvDataset
private edu.cmu.minorthird.classify.experiments.Evaluation	evaluation
private FeatureExtractor	extractor
private java.util.HashSet<java.lang.String>	featureTypes
private edu.cmu.lti.util.Pair<edu.cmu.lti.javelin.util.Language,edu.cmu.lti.javelin.util.Language>	languagePair
private java.lang.String[]	learnerNames
private boolean	loadTraining
private static org.apache.log4j.Logger	log
private Properties	properties
private long	runTime
private java.lang.String	testingFile
private edu.cmu.minorthird.classify.Dataset	testingSet
private java.lang.String	trainingFile
private java.util.HashSet<java.lang.String>	trainingLabels
private edu.cmu.minorthird.classify.Dataset	trainingSet
private boolean	useClassLevels

Constructor Summary

HierarchicalClassifierTrainer(edu.cmu.lti.util.Pair<edu.cmu.lti.javelin.util.Language,edu.cmu.lti.javelin.util.Language> languagePair)

Method Summary

HierarchicalClassifierLearner	createHierarchicalClassifierLearner(java.lang.String[] learners)
edu.cmu.minorthird.classify.ClassifierLearner	createLearnerByName(java.lang.String name)
java.lang.String	createReport()
edu.cmu.minorthird.classify.Classifier	getClassifier()
void	initialize()
void	loadClassifier(java.lang.String fileName)
static void	main(java.lang.String[] args)
private edu.cmu.minorthird.classify.Dataset	makeDataset(java.lang.String fileName)
private java.lang.String	prettyPrintCM(edu.cmu.minorthird.classify.experiments.Evaluation.Matrix matrix, java.lang.String[] classes)
edu.cmu.minorthird.classify.experiments.Evaluation	runExperiment()
void	saveClassifier()
void	saveClassifier(java.lang.String fileName)
void	setProperties(Properties properties) Overrides default properties with those given.
void	trainClassifier()

Methods inherited from class java.lang.Object

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

Field Detail

log

private static org.apache.log4j.Logger log

extractor

private FeatureExtractor extractor

trainingFile

private java.lang.String trainingFile

testingFile

private java.lang.String testingFile

crossValidationFolds

private int crossValidationFolds

learnerNames

private java.lang.String[] learnerNames

useClassLevels

private boolean useClassLevels

classLabels

private java.util.HashSet<java.lang.String> classLabels

trainingLabels

private java.util.HashSet<java.lang.String> trainingLabels

featureTypes

private java.util.HashSet<java.lang.String> featureTypes

loadTraining

private boolean loadTraining

classifierDir

private java.lang.String classifierDir

trainingSet

private edu.cmu.minorthird.classify.Dataset trainingSet

testingSet

private edu.cmu.minorthird.classify.Dataset testingSet

classifier

private edu.cmu.minorthird.classify.Classifier classifier

languagePair

private edu.cmu.lti.util.Pair<edu.cmu.lti.javelin.util.Language,edu.cmu.lti.javelin.util.Language> languagePair

properties

private Properties properties

cvDataset

private edu.cmu.minorthird.classify.experiments.CrossValidatedDataset cvDataset

evaluation

private edu.cmu.minorthird.classify.experiments.Evaluation evaluation

runTime

private long runTime

Constructor Detail

HierarchicalClassifierTrainer

public HierarchicalClassifierTrainer(edu.cmu.lti.util.Pair<edu.cmu.lti.javelin.util.Language,edu.cmu.lti.javelin.util.Language> languagePair)

Method Detail

setProperties

public void setProperties(Properties properties)

Overrides default properties with those given.

Parameters:

properties -

initialize

public void initialize()
                throws java.lang.Exception

Throws:

java.lang.Exception

makeDataset

private edu.cmu.minorthird.classify.Dataset makeDataset(java.lang.String fileName)

createHierarchicalClassifierLearner

public HierarchicalClassifierLearner createHierarchicalClassifierLearner(java.lang.String[] learners)

createLearnerByName

public edu.cmu.minorthird.classify.ClassifierLearner createLearnerByName(java.lang.String name)

runExperiment

public edu.cmu.minorthird.classify.experiments.Evaluation runExperiment()

trainClassifier

public void trainClassifier()

saveClassifier

public void saveClassifier(java.lang.String fileName)

saveClassifier

public void saveClassifier()

loadClassifier

public void loadClassifier(java.lang.String fileName)

getClassifier

public edu.cmu.minorthird.classify.Classifier getClassifier()

createReport

public java.lang.String createReport()

prettyPrintCM

private java.lang.String prettyPrintCM(edu.cmu.minorthird.classify.experiments.Evaluation.Matrix matrix,
                                       java.lang.String[] classes)

main

public static void main(java.lang.String[] args)
                 throws java.lang.Exception

Throws:

java.lang.Exception