Package opennlp.tools.chunker

Klasse ChunkerCrossValidator

java.lang.Object

opennlp.tools.chunker.ChunkerCrossValidator

public class ChunkerCrossValidator
extends Object

Cross validator for Chunker.

Konstruktorübersicht

Konstruktoren

Konstruktor	Beschreibung
ChunkerCrossValidator(String languageCode, TrainingParameters params, ChunkerFactory factory, ChunkerEvaluationMonitor... listeners)	Initializes a ChunkerCrossValidator instance via given parameters.

Methodenübersicht

Modifizierer und Typ	Methode	Beschreibung
void	evaluate(ObjectStream<ChunkSample> samples, int nFolds)	Starts the evaluation.
FMeasure	getFMeasure()

Von Klasse geerbte Methoden java.lang.Object

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

Konstruktordetails

ChunkerCrossValidator

public ChunkerCrossValidator(String languageCode,
 TrainingParameters params,
 ChunkerFactory factory,
 ChunkerEvaluationMonitor... listeners)

Initializes a ChunkerCrossValidator instance via given parameters.

Parameter:

languageCode - An ISO conform language code.

params - The TrainingParameters for the context of cross validation.

factory - The ChunkerFactory for creating related objects.

listeners - the evaluation listeners.

Methodendetails

evaluate

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

Starts the evaluation.

Parameter:

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

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

Löst aus:

IOException - Thrown if IO errors occurred.

getFMeasure

public FMeasure getFMeasure()