org.openimaj.experiment.validation.cross

Class GroupedLeaveOneOut<KEY,INSTANCE>

java.lang.Object

org.openimaj.experiment.validation.cross.GroupedLeaveOneOut<KEY,INSTANCE>

Type Parameters:

KEY - Type of groups

INSTANCE - Type of instances

All Implemented Interfaces:

CrossValidator<GroupedDataset<KEY,ListDataset<INSTANCE>,INSTANCE>>

public class GroupedLeaveOneOut<KEY,INSTANCE>
extends Object
implements CrossValidator<GroupedDataset<KEY,ListDataset<INSTANCE>,INSTANCE>>

Leave-One-Out Cross Validation (LOOCV) with a GroupedDataset. The number of iterations performed by the iterator is equal to the number of data items.

Upon each iteration, the dataset is split into training and validation sets. The validation set will have exactly one instance. All remaining instances are placed in the training set. As the iterator progresses, every instance will be included in the validation set one time. The iterator maintains the respective groups of the training and validation items.

Author:

Jonathon Hare (jsh2@ecs.soton.ac.uk)

Constructor Summary

Constructors

Constructor and Description
GroupedLeaveOneOut()

Method Summary

Methods

Modifier and Type	Method and Description
CrossValidationIterable<GroupedDataset<KEY,ListDataset<INSTANCE>,INSTANCE>>	createIterable(GroupedDataset<KEY,ListDataset<INSTANCE>,INSTANCE> data) Create the iterable from the dataset.
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

GroupedLeaveOneOut

public GroupedLeaveOneOut()

Method Detail

createIterable

public CrossValidationIterable<GroupedDataset<KEY,ListDataset<INSTANCE>,INSTANCE>> createIterable(GroupedDataset<KEY,ListDataset<INSTANCE>,INSTANCE> data)

Description copied from interface: CrossValidator

Create the iterable from the dataset.

Specified by:

createIterable in interface CrossValidator<GroupedDataset<KEY,ListDataset<INSTANCE>,INSTANCE>>

Parameters:

data - the dataset

Returns:

the iterable

toString

public String toString()

Overrides:

toString in class Object