LeaveOneOut (ELKI: Environment for DeveLoping KDD-Applications Supported by Index-Structures)

java.lang.Object
- elki.evaluation.classification.holdout.AbstractHoldout
- - 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 Description

private int len
Size of the data set.

private int pos
Size of the data set.
- Fields inherited from class elki.evaluation.classification.holdout.AbstractHoldout
  bundle, labelcol, labels

Constructor Summary

Constructors
Constructor Description

LeaveOneOut()
Constructor.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	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 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