org.apache.ignite.ml.composition.boosting.convergence

Class ConvergenceCheckerFactory

java.lang.Object

org.apache.ignite.ml.composition.boosting.convergence.ConvergenceCheckerFactory

Direct Known Subclasses:

ConvergenceCheckerStubFactory, MeanAbsValueConvergenceCheckerFactory, MedianOfMedianConvergenceCheckerFactory

public abstract class ConvergenceCheckerFactory
extends Object

Factory for ConvergenceChecker.

Field Summary

Fields

Modifier and Type	Field and Description
protected double	precision Precision of error checking.

Constructor Summary

Constructors

Constructor and Description
ConvergenceCheckerFactory(double precision) Creates an instance of ConvergenceCheckerFactory.

Method Summary

Modifier and Type	Method and Description
abstract <K,V> ConvergenceChecker<K,V>	create(long sampleSize, IgniteFunction<Double,Double> externalLbToInternalMapping, Loss loss, DatasetBuilder<K,V> datasetBuilder, IgniteBiFunction<K,V,Vector> featureExtractor, IgniteBiFunction<K,V,Double> lbExtractor) Create an instance of ConvergenceChecker.

Methods inherited from class java.lang.Object

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

Field Detail

precision

protected double precision

Precision of error checking. If error <= precision then it is equated to 0.0

Constructor Detail

ConvergenceCheckerFactory

public ConvergenceCheckerFactory(double precision)

Creates an instance of ConvergenceCheckerFactory.

Parameters:

precision - Precision [0 <= precision < 1].

Method Detail

create

public abstract <K,V> ConvergenceChecker<K,V> create(long sampleSize,
                                                     IgniteFunction<Double,Double> externalLbToInternalMapping,
                                                     Loss loss,
                                                     DatasetBuilder<K,V> datasetBuilder,
                                                     IgniteBiFunction<K,V,Vector> featureExtractor,
                                                     IgniteBiFunction<K,V,Double> lbExtractor)

Create an instance of ConvergenceChecker.

Parameters:

sampleSize - Sample size.

externalLbToInternalMapping - External label to internal mapping.

loss - Loss function.

datasetBuilder - Dataset builder.

featureExtractor - Feature extractor.

lbExtractor - Label extractor.

Returns:

ConvergenceCheckerFactory instance.