Package opennlp.tools.langdetect
Class LanguageDetectorCrossValidator
java.lang.Object
opennlp.tools.langdetect.LanguageDetectorCrossValidator
Cross validator for
LanguageDetector.-
Constructor Summary
ConstructorsConstructorDescriptionLanguageDetectorCrossValidator(TrainingParameters mlParams, LanguageDetectorFactory factory, LanguageDetectorEvaluationMonitor... listeners) Initializes aLanguageDetectorCrossValidatorwith the givenparameters. -
Method Summary
Modifier and TypeMethodDescriptionvoidevaluate(ObjectStream<LanguageSample> samples, int nFolds) Starts the evaluation.doublelong
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Constructor Details
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LanguageDetectorCrossValidator
public LanguageDetectorCrossValidator(TrainingParameters mlParams, LanguageDetectorFactory factory, LanguageDetectorEvaluationMonitor... listeners) Initializes aLanguageDetectorCrossValidatorwith the givenparameters.- Parameters:
mlParams- TheTrainingParametersfor the context of cross validation.factory- TheLanguageDetectorFactoryfor creating related objects.listeners- theevaluation listeners.
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Method Details
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evaluate
Starts the evaluation.- Parameters:
samples- TheObjectStreamofsamplesto train and test with.nFolds- Number of folds. It must be greater than zero.- Throws:
IOException- Thrown if IO errors occurred.
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getDocumentAccuracy
public double getDocumentAccuracy()- Returns:
- Retrieves the word accuracy for all iterations.
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getDocumentCount
public long getDocumentCount()- Returns:
- Retrieves the number of words which where validated over all iterations. The result is the amount of folds multiplied by the total number of words.
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