de.viadee.discretizers4j.impl

Class FUSINTERDiscretizer

java.lang.Object

de.viadee.discretizers4j.AbstractDiscretizer

de.viadee.discretizers4j.AbstractSupervisedDiscretizer

de.viadee.discretizers4j.impl.FUSINTERDiscretizer

All Implemented Interfaces:

Discretizer, Serializable, Function<Serializable,Double>

public class FUSINTERDiscretizer
extends AbstractSupervisedDiscretizer

Implementation of the FUSINTER discretization algorithm described by [Zighed, Rabaséda, Rakotomalala 1998]

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
FUSINTERDiscretizer() Generates a FUSINTER discretizer with parameters suggested by the authors
FUSINTERDiscretizer(double lambda, double alpha) Generates a FUSINTER discretizer with custom parameters

Method Summary

Modifier and Type	Method and Description
protected List<DiscretizationTransition>	fitCreateTransitions(List<AbstractMap.SimpleImmutableEntry<Double,Double>> keyValuePairs) Implementation of FUSINTER, 1. sort, 2. equalClassIntervals 3. merge if entropy improves

Methods inherited from class de.viadee.discretizers4j.AbstractSupervisedDiscretizer

equalClassSplit, fitCreateTransitions

Methods inherited from class de.viadee.discretizers4j.AbstractDiscretizer

apply, fit, fit, getDiscretizationTransitionsFromCutPoints, getTransitions

Methods inherited from class java.lang.Object

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

Methods inherited from interface de.viadee.discretizers4j.Discretizer

apply, getTransition

Methods inherited from interface java.util.function.Function

andThen, compose, identity

Constructor Detail

FUSINTERDiscretizer

public FUSINTERDiscretizer()

Generates a FUSINTER discretizer with parameters suggested by the authors

FUSINTERDiscretizer

public FUSINTERDiscretizer(double lambda,
                           double alpha)

Generates a FUSINTER discretizer with custom parameters

Parameters:

lambda - lambda value

alpha - alpha value

Method Detail

fitCreateTransitions

protected List<DiscretizationTransition> fitCreateTransitions(List<AbstractMap.SimpleImmutableEntry<Double,Double>> keyValuePairs)

Implementation of FUSINTER, 1. sort, 2. equalClassIntervals 3. merge if entropy improves

Specified by:

fitCreateTransitions in class AbstractSupervisedDiscretizer

Parameters:

keyValuePairs - List of Values and Labels

Returns:

list of Intervals determined to have the highest entropy