Package elki.application

Class ClassifierHoldoutEvaluationTask<O>

java.lang.Object

elki.application.AbstractApplication

elki.application.ClassifierHoldoutEvaluationTask<O>

Type Parameters:

O - Object type

public class ClassifierHoldoutEvaluationTask<O>
extends AbstractApplication

Evaluate a classifier.

TODO: split into application and task.

TODO: add support for predefined test and training pairs!

Since:

0.7.0

Author:

Erich Schubert

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	ClassifierHoldoutEvaluationTask.Par<O>	Parameterization class.

Field Summary

Fields

Modifier and Type	Field	Description
protected Classifier<O>	algorithm	Classifier to evaluate.
protected DatabaseConnection	databaseConnection	Holds the database connection to get the initial data from.
protected Holdout	holdout	Holds the holdout.
protected java.util.Collection<? extends IndexFactory<?>>	indexFactories	Indexes to add.
private static Logging	LOG	Class logger.

Fields inherited from class elki.application.AbstractApplication

REFERENCE, VERSION

Constructor Summary

Constructors

Constructor	Description
ClassifierHoldoutEvaluationTask(DatabaseConnection databaseConnection, java.util.Collection<? extends IndexFactory<?>> indexFactories, Classifier<O> algorithm, Holdout holdout)	Constructor.

Method Summary

Modifier and Type	Method	Description
static void	main(java.lang.String[] args)	Runs the classifier evaluation task accordingly to the specified parameters.
void	run()	Runs the application.

Methods inherited from class elki.application.AbstractApplication

printErrorMessage, runCLIApplication, usage

Methods inherited from class java.lang.Object

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

Field Detail

LOG

private static final Logging LOG

Class logger.

databaseConnection

protected DatabaseConnection databaseConnection

Holds the database connection to get the initial data from.

indexFactories

protected java.util.Collection<? extends IndexFactory<?>> indexFactories

Indexes to add.

algorithm

protected Classifier<O> algorithm

Classifier to evaluate.

holdout

protected Holdout holdout

Holds the holdout.

Constructor Detail

ClassifierHoldoutEvaluationTask

public ClassifierHoldoutEvaluationTask(DatabaseConnection databaseConnection,
                                       java.util.Collection<? extends IndexFactory<?>> indexFactories,
                                       Classifier<O> algorithm,
                                       Holdout holdout)

Constructor.

Parameters:

databaseConnection - Data source

indexFactories - Data indexes

algorithm - Classification algorithm

holdout - Evaluation holdout

Method Detail

run

public void run()

Description copied from class: AbstractApplication

Runs the application.

Specified by:

run in class AbstractApplication

main

public static void main(java.lang.String[] args)

Runs the classifier evaluation task accordingly to the specified parameters.

Parameters:

args - parameter list according to description