de.lmu.ifi.dbs.elki.evaluation.classification.holdout

Class LeaveOneOut

java.lang.Object

de.lmu.ifi.dbs.elki.evaluation.classification.holdout.AbstractHoldout

de.lmu.ifi.dbs.elki.evaluation.classification.holdout.LeaveOneOut

All Implemented Interfaces:

Holdout

public class LeaveOneOut
extends AbstractHoldout

A leave-one-out-holdout is to provide a set of partitions of a database where each instances once hold out as a test instance while the respectively remaining instances are training instances.

Since:

0.7.0

Author:

Arthur Zimek

Field Summary

Fields

Modifier and Type	Field and Description
private int	len Size of the data set.
private int	pos Size of the data set.

Fields inherited from class de.lmu.ifi.dbs.elki.evaluation.classification.holdout.AbstractHoldout

bundle, labelcol, labels

Constructor Summary

Constructors

Constructor and Description
LeaveOneOut() Constructor.

Method Summary

Modifier and Type	Method and Description
void	initialize(MultipleObjectsBundle bundle) Initialize the holdout procedure for a data set.
TrainingAndTestSet	nextPartitioning() Get the next partitioning of the given holdout.
int	numberOfPartitions() How many partitions to test.

Methods inherited from class de.lmu.ifi.dbs.elki.evaluation.classification.holdout.AbstractHoldout

allClassLabels, allClassLabels, findClassLabelColumn, getLabels

Methods inherited from class java.lang.Object

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

Field Detail

len

private int len

Size of the data set.

pos

private int pos

Size of the data set.

Constructor Detail

LeaveOneOut

public LeaveOneOut()

Constructor.

Method Detail

initialize

public void initialize(MultipleObjectsBundle bundle)

Description copied from interface: Holdout

Initialize the holdout procedure for a data set.

Specified by:

initialize in interface Holdout

Overrides:

initialize in class AbstractHoldout

Parameters:

bundle - Data set bundle

numberOfPartitions

public int numberOfPartitions()

Description copied from interface: Holdout

How many partitions to test.

Returns:

Number of partitions.

nextPartitioning

public TrainingAndTestSet nextPartitioning()

Description copied from interface: Holdout

Get the next partitioning of the given holdout.

Returns:

Next partitioning of the data set