de.lmu.ifi.dbs.elki.application

Class ClassifierHoldoutEvaluationTask<O>

java.lang.Object

de.lmu.ifi.dbs.elki.application.AbstractApplication

de.lmu.ifi.dbs.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!

Author:

Erich Schubert

Nested Class Summary

Nested Classes

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

Field Summary

Fields

Modifier and Type	Field and 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 Collection<IndexFactory<?,?>>	indexFactories Indexes to add.
private static Logging	LOG Class logger.

Fields inherited from class de.lmu.ifi.dbs.elki.application.AbstractApplication

REFERENCE, VERSION

Constructor Summary

Constructors

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

Method Summary

Methods

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

Methods inherited from class de.lmu.ifi.dbs.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 Collection<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,
                               Collection<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()
         throws UnableToComplyException

Description copied from class: AbstractApplication

Runs the application.

Specified by:

run in class AbstractApplication

Throws:

UnableToComplyException - if an error occurs during running the application

main

public static void main(String[] args)

Runs the classifier evaluation task accordingly to the specified parameters.

Parameters:

args - parameter list according to description