mark.nlp.weka
Class WekaClassifier

java.lang.Object
  |
  +--mark.nlp.weka.WekaClassifier

All Implemented Interfaces:

Classifier

public class WekaClassifier

extends java.lang.Object

implements Classifier

A classifier that is a wrapper for a weka classifier. The parameter for this classifier is the name of the weka classifier class.

Nested Class Summary

protected class

WekaClassifier.Results

Field Summary

protected weka.classifiers.Classifier

fWekaClassifier

Constructor Summary

WekaClassifier()

Method Summary

int	classify(java.lang.Object instanceInformation) Classifies a single instance as returned from mark.nlp.classifiers.InstanceFactory.
java.lang.String	instanceFactoryName() Returns the name of the instance factory that can generate instance information suitable for this classifier.
Results	test(java.lang.Object instanceListInformation) Tests the classifier on the given set of instances and returns results.
Results	test(java.lang.Object instanceListInformation, java.lang.String testIdentifier) Tests the classifier on the given set of instances and returns results.
void	train(java.lang.Object dataSetInformation, java.lang.Object instanceListInformation, java.lang.Object parameter) Trains the classifier.

Methods inherited from class java.lang.Object

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

Field Detail

fWekaClassifier

protected weka.classifiers.Classifier fWekaClassifier

Constructor Detail

WekaClassifier

public WekaClassifier()

Method Detail

train

public void train(java.lang.Object dataSetInformation,
                  java.lang.Object instanceListInformation,
                  java.lang.Object parameter)
           throws java.lang.Exception

Description copied from interface: Classifier

Trains the classifier.

Specified by:

train in interface Classifier

Parameters:

dataSetInformation - the information returned from mark.nlp.classifiers.InstanceFactory common to all instances in the data set.

parameter - the classifier parameter which different classifiers interpret differently. A classifier may ignore this parameter.

java.lang.Exception

See Also:

Classifier

test

public Results test(java.lang.Object instanceListInformation)
             throws java.lang.Exception

Description copied from interface: Classifier

Tests the classifier on the given set of instances and returns results. The classifier must have been trained.

Specified by:

test in interface Classifier

Parameters:

instanceListInformation - the information returned from mark.nlp.classifiers.InstanceFactory specific to the list of instances on which we wish to test.

Returns:

claissification results.

java.lang.Exception

See Also:

Classifier

test

public Results test(java.lang.Object instanceListInformation,
                    java.lang.String testIdentifier)
             throws java.lang.Exception

Description copied from interface: Classifier

Tests the classifier on the given set of instances and returns results. The classifier must have been trained.

Specified by:

test in interface Classifier

Parameters:

instanceListInformation - the information returned from mark.nlp.classifiers.InstanceFactory specific to the list of instances on which we wish to test.

testIdentifier - A label included in the printed Results of the classifier.

Returns:

classification results.

java.lang.Exception

classify

public int classify(java.lang.Object instanceInformation)
             throws java.lang.Exception

Description copied from interface: Classifier

Classifies a single instance as returned from mark.nlp.classifiers.InstanceFactory. The classifier must have been trained.

Specified by:

classify in interface Classifier

Parameters:

instanceInformation - the information specific to the instance we wish to classify.

Returns:

the predicted category.

java.lang.Exception

See Also:

Classifier

instanceFactoryName

public java.lang.String instanceFactoryName()

Description copied from interface: Classifier

Returns the name of the instance factory that can generate instance information suitable for this classifier.

Specified by:

instanceFactoryName in interface Classifier

Returns:

the name.

See Also:

Classifier