ikbs.classification.distance
Class DGRDistance

java.lang.Object
  ikbs.classification.distance.Distance
      ikbs.classification.distance.NumericDistance
          ikbs.classification.distance.DGRDistance

public class DGRDistance
extends NumericDistance

Classe générique de calcul d'une distance entre deux valeurs numériques On présuppose que v1 n'est jamais null. v2 peut être null

Since:

6 mai 1999

Author:

Jean Diatta & David Grosser

Field Summary

static float	DZETA
static float	ETA
protected float	gamma
protected float	norme
protected float	plusCourteEtendu
protected float	plusCourtInterval
protected int	plusLongCardinal

Fields inherited from class ikbs.classification.distance.NumericDistance

etendu, longEtendu, nbCas

Fields inherited from class ikbs.classification.distance.Distance

affiche, base, v1, v2

Constructor Summary

DGRDistance(Value v1, Value v2)

Method Summary

float	computeDistance()
float	contenuRelatif() Mesure du contenu des valeurs dC
void	initParam(ValSchema base)
float	lambda(QuantitativeValue val) Longueur corrigée des valeurs quantitatives
float	partieCommune() Parties communes dCP
float	partiesSpecifiques() Parties spécifiques dSP
float	positionRelative() Positions relatives des deux valeurs dMP

Methods inherited from class ikbs.classification.distance.NumericDistance

controlParam, etendu, getAttribut, getV1, getV2, longIntersection, maxBorne, minBorne, plusCourteEtendu, plusCourtInterval, plusLongCardinal, plusLongInterval, plusLongueEtendu, setV1, setV2

Methods inherited from class java.lang.Object

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

Field Detail

ETA

public static float ETA

DZETA

public static float DZETA

norme

protected float norme

plusLongCardinal

protected int plusLongCardinal

plusCourtInterval

protected float plusCourtInterval

plusCourteEtendu

protected float plusCourteEtendu

gamma

protected float gamma

Constructor Detail

DGRDistance

public DGRDistance(Value v1,
                   Value v2)

Method Detail

initParam

public void initParam(ValSchema base)

Overrides:

initParam in class NumericDistance

computeDistance

public float computeDistance()

Specified by:

computeDistance in class Distance

positionRelative

public float positionRelative()

Positions relatives des deux valeurs dMP

partiesSpecifiques

public float partiesSpecifiques()

Parties spécifiques dSP

partieCommune

public float partieCommune()

Parties communes dCP

contenuRelatif

public float contenuRelatif()

Mesure du contenu des valeurs dC

lambda

public float lambda(QuantitativeValue val)

Longueur corrigée des valeurs quantitatives