Package de.uni_trier.wi2.procake.data.trainingObjectPool

Class CrossValidationBuilder<T extends DataObject>

java.lang.Object

de.uni_trier.wi2.procake.data.trainingObjectPool.CrossValidationBuilder<T>

public class CrossValidationBuilder<T extends DataObject>
extends Object

Creates pools for cross validation based on TrainingObjectPool. If the elements cannot be distributed equally among the test pools, the excess elements are distributed to these according to the order.

Author:

Alexander Schultheis

Constructor Summary

Constructors

Constructor	Description
CrossValidationBuilder(@NotNull WriteableObjectPool<T> pool, int k, double splitRatio, boolean shuffle)	Constructor that creates k different TrainingObjectPools from a WriteableObjectPool, each containing a test pool of size splitRatio and a training pool.

Method Summary

Modifier and Type	Method	Description
TrainingObjectPool<T>	getNextTrainingObjectPool()	Method that returns the next of the created k TrainingObjectPools.
List<TrainingObjectPool<T>>	getTrainingObjectPools()	Method that returns the list of TrainingObjectPools of size k.

Methods inherited from class java.lang.Object

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

Constructor Details

CrossValidationBuilder

public CrossValidationBuilder(@NotNull
 @NotNull WriteableObjectPool<T> pool,
 int k,
 double splitRatio,
 boolean shuffle)

Constructor that creates k different TrainingObjectPools from a WriteableObjectPool, each containing a test pool of size splitRatio and a training pool.

Parameters:

pool - The WriteableObjectPool to be split.

k - Number of desired TrainingObjectPools.

splitRatio - Specifies the ratio according to which the test data is created.

shuffle - If true, then the elements of the pool are randomly shuffled before the cross validation pools are created.

Method Details

getTrainingObjectPools

public List<TrainingObjectPool<T>> getTrainingObjectPools()

Method that returns the list of TrainingObjectPools of size k.

Returns:

The list of TrainingObjectPools.

getNextTrainingObjectPool

public TrainingObjectPool<T> getNextTrainingObjectPool()

Method that returns the next of the created k TrainingObjectPools.

Returns:

Next element from the list of TrainingObjectPools. Null, if no more pools are available.