Package opennlp.tools.tokenize

Class TokenizerCrossValidator

java.lang.Object

opennlp.tools.tokenize.TokenizerCrossValidator

public class TokenizerCrossValidator
extends Object

A cross validator for tokenizers.

Constructor Summary

Constructors

Constructor	Description
TokenizerCrossValidator(TrainingParameters params, TokenizerFactory factory, TokenizerEvaluationMonitor... listeners)	Creates a TokenizerCrossValidator using the given TokenizerFactory.

Method Summary

Modifier and Type	Method	Description
void	evaluate(ObjectStream<TokenSample> samples, int nFolds)	Starts the evaluation.
FMeasure	getFMeasure()

Methods inherited from class java.lang.Object

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

Constructor Detail

TokenizerCrossValidator

public TokenizerCrossValidator(TrainingParameters params,
                               TokenizerFactory factory,
                               TokenizerEvaluationMonitor... listeners)

Creates a TokenizerCrossValidator using the given TokenizerFactory.

Parameters:

params - The TrainingParameters for the context of cross validation.

factory - The TokenizerFactory to be used.

listeners - The evaluation listeners.

Method Detail

evaluate

public void evaluate(ObjectStream<TokenSample> samples,
                     int nFolds)
              throws IOException

Starts the evaluation.

Parameters:

samples - The ObjectStream of samples to train and test with.

nFolds - Number of folds. It must be greater than zero.

Throws:

IOException - Thrown if IO errors occurred during evaluation.

getFMeasure

public FMeasure getFMeasure()