opennlp.tools.namefind

Class TokenNameFinderCrossValidator

java.lang.Object

opennlp.tools.namefind.TokenNameFinderCrossValidator

public class TokenNameFinderCrossValidator
extends Object

Constructor Summary

Constructors

Constructor and Description
TokenNameFinderCrossValidator(String languageCode, String type, TrainingParameters trainParams, byte[] featureGeneratorBytes, Map<String,Object> resources, SequenceCodec<String> codec, TokenNameFinderEvaluationMonitor... listeners) Name finder cross validator
TokenNameFinderCrossValidator(String languageCode, String type, TrainingParameters trainParams, byte[] featureGeneratorBytes, Map<String,Object> resources, TokenNameFinderEvaluationMonitor... listeners)
TokenNameFinderCrossValidator(String languageCode, String type, TrainingParameters trainParams, TokenNameFinderFactory factory, TokenNameFinderEvaluationMonitor... listeners)

Method Summary

Methods

Modifier and Type	Method and Description
void	evaluate(ObjectStream<NameSample> 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

TokenNameFinderCrossValidator

public TokenNameFinderCrossValidator(String languageCode,
                             String type,
                             TrainingParameters trainParams,
                             byte[] featureGeneratorBytes,
                             Map<String,Object> resources,
                             SequenceCodec<String> codec,
                             TokenNameFinderEvaluationMonitor... listeners)

Name finder cross validator

Parameters:

languageCode - the language of the training data

type - null or an override type for all types in the training data

trainParams - machine learning train parameters

featureGeneratorBytes - descriptor to configure the feature generation or null

listeners - a list of listeners

resources - the resources for the name finder or null if none

TokenNameFinderCrossValidator

public TokenNameFinderCrossValidator(String languageCode,
                             String type,
                             TrainingParameters trainParams,
                             byte[] featureGeneratorBytes,
                             Map<String,Object> resources,
                             TokenNameFinderEvaluationMonitor... listeners)

TokenNameFinderCrossValidator

public TokenNameFinderCrossValidator(String languageCode,
                             String type,
                             TrainingParameters trainParams,
                             TokenNameFinderFactory factory,
                             TokenNameFinderEvaluationMonitor... listeners)

Method Detail

evaluate

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

Starts the evaluation.

Parameters:

samples - the data to train and test

nFolds - number of folds

Throws:

IOException

getFMeasure

public FMeasure getFMeasure()