ambit2.featureselection

Class RRelieFFAttributeSelection<T>

java.lang.Object

ambit2.featureselection.AbstractAttributeSelection<T>

ambit2.featureselection.RRelieFFAttributeSelection<T>

All Implemented Interfaces:

IAttributeSelection<T>

public abstract class RRelieFFAttributeSelection<T>
extends AbstractAttributeSelection<T>

Field Summary

Fields

Modifier and Type	Field and Description
protected double	maxProperty
protected double	minProperty
protected double	threshold
protected double[]	weights

Fields inherited from class ambit2.featureselection.AbstractAttributeSelection

evaluated

Constructor Summary

Constructors

Constructor and Description
RRelieFFAttributeSelection()

Method Summary

Modifier and Type	Method and Description
protected void	calculateMaxMinProperty(NearestNeighborsSearch<T> nn)
protected double	diff_rank(int rank, double sigma)
protected double	diff(Object property1, Object property2, double maxA, double minA)
void	evaluateAttributes(NearestNeighborsSearch<T> nn, int numberOfAttributes)
protected abstract Object	getAttribute(T attributes, int attribute_index)
protected abstract double	getMaxAttribute(int attribute_index)
protected abstract double	getMinAttribute(int attribute_index)
double	getThreshold()
void	setThreshold(double threshold)

Methods inherited from class ambit2.featureselection.AbstractAttributeSelection

isEvaluated, setEvaluated, transformAttributes

Methods inherited from class java.lang.Object

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

Methods inherited from interface ambit2.featureselection.IAttributeSelection

transformToSelected

Field Detail

maxProperty

protected double maxProperty

minProperty

protected double minProperty

threshold

protected double threshold

weights

protected double[] weights

Constructor Detail

RRelieFFAttributeSelection

public RRelieFFAttributeSelection()

Method Detail

evaluateAttributes

public void evaluateAttributes(NearestNeighborsSearch<T> nn,
                               int numberOfAttributes)
                        throws QSARModelException

Throws:

QSARModelException

diff_rank

protected double diff_rank(int rank,
                           double sigma)

diff

protected double diff(Object property1,
                      Object property2,
                      double maxA,
                      double minA)

calculateMaxMinProperty

protected void calculateMaxMinProperty(NearestNeighborsSearch<T> nn)

getAttribute

protected abstract Object getAttribute(T attributes,
                                       int attribute_index)

getMaxAttribute

protected abstract double getMaxAttribute(int attribute_index)

getMinAttribute

protected abstract double getMinAttribute(int attribute_index)

getThreshold

public double getThreshold()

setThreshold

public void setThreshold(double threshold)