cc.mallet.classify
Class ClassifierEvaluator

java.lang.Object
  cc.mallet.classify.ClassifierEvaluator

Direct Known Subclasses:

ClassifierAccuracyEvaluator

public abstract class ClassifierEvaluator
extends java.lang.Object

Constructor Summary

ClassifierEvaluator(InstanceList[] instanceLists, java.lang.String[] instanceListDescriptions)

ClassifierEvaluator(InstanceList instanceList1, java.lang.String instanceListDescription1)

ClassifierEvaluator(InstanceList instanceList1, java.lang.String instanceListDescription1, InstanceList instanceList2, java.lang.String instanceListDescription2)

ClassifierEvaluator(InstanceList instanceList1, java.lang.String instanceListDescription1, InstanceList instanceList2, java.lang.String instanceListDescription2, InstanceList instanceList3, java.lang.String instanceListDescription3)

Method Summary

void	evaluate(ClassifierTrainer ct) Evaluates a ClassifierTrainer and its Classifier on the instance lists specified in the constructor.
abstract void	evaluateInstanceList(ClassifierTrainer trainer, InstanceList instances, java.lang.String description)
protected void	preamble(ClassifierTrainer ct)

Methods inherited from class java.lang.Object

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

Constructor Detail

ClassifierEvaluator

public ClassifierEvaluator(InstanceList[] instanceLists,
                           java.lang.String[] instanceListDescriptions)

ClassifierEvaluator

public ClassifierEvaluator(InstanceList instanceList1,
                           java.lang.String instanceListDescription1)

ClassifierEvaluator

public ClassifierEvaluator(InstanceList instanceList1,
                           java.lang.String instanceListDescription1,
                           InstanceList instanceList2,
                           java.lang.String instanceListDescription2)

ClassifierEvaluator

public ClassifierEvaluator(InstanceList instanceList1,
                           java.lang.String instanceListDescription1,
                           InstanceList instanceList2,
                           java.lang.String instanceListDescription2,
                           InstanceList instanceList3,
                           java.lang.String instanceListDescription3)

Method Detail

evaluate

public void evaluate(ClassifierTrainer ct)

Evaluates a ClassifierTrainer and its Classifier on the instance lists specified in the constructor. .

The default implementation calls the evaluator's evaluateInstanceList on each instance list.

Parameters:

ct - The TransducerTrainer to evaluate.

preamble

protected void preamble(ClassifierTrainer ct)

evaluateInstanceList

public abstract void evaluateInstanceList(ClassifierTrainer trainer,
                                          InstanceList instances,
                                          java.lang.String description)