Package opennlp.tools.doccat

Klasse DocumentCategorizerEvaluator

java.lang.Object

opennlp.tools.util.eval.Evaluator<DocumentSample>

opennlp.tools.doccat.DocumentCategorizerEvaluator

public class DocumentCategorizerEvaluator
extends Evaluator<DocumentSample>

The DocumentCategorizerEvaluator measures the performance of the given DocumentCategorizer with the provided reference samples.

Siehe auch:

• DocumentCategorizer
• DocumentSample
• Evaluator

Konstruktorübersicht

Konstruktoren

Konstruktor	Beschreibung
DocumentCategorizerEvaluator(DocumentCategorizer categorizer, DoccatEvaluationMonitor... listeners)	Initializes a DocumentCategorizerEvaluator instance.

Methodenübersicht

Modifizierer und Typ	Methode	Beschreibung
double	getAccuracy()	accuracy = correctly categorized documents / total documents
long	getDocumentCount()
DocumentSample	processSample(DocumentSample sample)	Evaluates the given reference sample.
String	toString()	Represents this object as human-readable String.

Von Klasse geerbte Methoden opennlp.tools.util.eval.Evaluator

evaluate, evaluateSample

Von Klasse geerbte Methoden java.lang.Object

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

Konstruktordetails

DocumentCategorizerEvaluator

public DocumentCategorizerEvaluator(DocumentCategorizer categorizer,
 DoccatEvaluationMonitor... listeners)

Initializes a DocumentCategorizerEvaluator instance.

Parameter:

categorizer - the DocumentCategorizer instance.

listeners - the evaluation listeners.

Methodendetails

processSample

public DocumentSample processSample(DocumentSample sample)

Evaluates the given reference sample.

This is done by categorizing the document from the provided DocumentSample. The detected category is then used to calculate and update the score.

Parameter:

sample - The reference TokenSample.

Gibt zurück:

The processed TokenSample.

getAccuracy

public double getAccuracy()

accuracy = correctly categorized documents / total documents

Gibt zurück:

Retrieves the accuracy of provided DocumentCategorizer.

getDocumentCount

public long getDocumentCount()

toString

public String toString()

Represents this object as human-readable String.

Setzt außer Kraft:

toString in Klasse Object