at.tuwien.ifs.somtoolbox.layers.quality

Class SOMDistortion

java.lang.Object

at.tuwien.ifs.somtoolbox.layers.quality.AbstractQualityMeasure

at.tuwien.ifs.somtoolbox.layers.quality.SOMDistortion

All Implemented Interfaces:

QualityMeasure

public class SOMDistortion
extends AbstractQualityMeasure

Implementation of SOM Distortion Measure Quality.

Version:

$Id: SOMDistortion.java 3883 2010-11-02 17:13:23Z frank $

Author:

Michael Dittenbach

Field Summary

Fields

Modifier and Type	Field and Description
private double	distortion
private double[][]	hits
private double[][]	unitAverage
private double[][]	unitTotal

Fields inherited from class at.tuwien.ifs.somtoolbox.layers.quality.AbstractQualityMeasure

data, layer, mapQualityDescriptions, mapQualityNames, unitQualityDescriptions, unitQualityNames

Constructor Summary

Constructors

Constructor and Description
SOMDistortion(Layer layer, InputData data)

Method Summary

Modifier and Type	Method and Description
double	getMapQuality(java.lang.String name)
double[][]	getUnitQualities(java.lang.String name)
private double	neighborhoodFunction(double dist)
private double	squaredDistance(InputDatum datum, double[] vector2)

Methods inherited from class at.tuwien.ifs.somtoolbox.layers.quality.AbstractQualityMeasure

getMapQualityDescriptions, getMapQualityNames, getUnitQualityDescriptions, getUnitQualityNames, instantiate, splitNameAndMethod

Methods inherited from class java.lang.Object

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

Field Detail

distortion

private double distortion

hits

private double[][] hits

unitAverage

private double[][] unitAverage

unitTotal

private double[][] unitTotal

Constructor Detail

SOMDistortion

public SOMDistortion(Layer layer,
                     InputData data)

Method Detail

getMapQuality

public double getMapQuality(java.lang.String name)
                     throws QualityMeasureNotFoundException

Throws:

QualityMeasureNotFoundException

getUnitQualities

public double[][] getUnitQualities(java.lang.String name)
                            throws QualityMeasureNotFoundException

Throws:

QualityMeasureNotFoundException

neighborhoodFunction

private double neighborhoodFunction(double dist)

squaredDistance

private double squaredDistance(InputDatum datum,
                               double[] vector2)
                        throws MetricException

Throws:

MetricException