Core.CBR.Distances.Unknown

Class DesconegutsProva

java.lang.Object

Core.CBR.Distances.Unknown.Missing

Core.CBR.Distances.Unknown.DesconegutsProva

public class DesconegutsProva
extends Missing

Specific implementation of Missing

See Also:

Missing

Constructor Summary

Constructors

Constructor and Description
DesconegutsProva()

Method Summary

Methods

Modifier and Type	Method and Description
float	getDistance(Individual i1, Individual i2, java.lang.String attribute, Population p) Computes the distance between 'a' and 'b' considering missing values.
float	getDistance(java.lang.Object a, java.lang.Object b) Computes the distance between the 'a' and 'b' objects, either one or both of them being missing vlaues (null).

Methods inherited from class java.lang.Object

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

Constructor Detail

DesconegutsProva

public DesconegutsProva()

Method Detail

getDistance

public float getDistance(java.lang.Object a,
                java.lang.Object b)

Computes the distance between the 'a' and 'b' objects, either one or both of them being missing vlaues (null). If neither of them is null, returns error code -999999.

Parameters:

a - Object.

b - Object.

Returns:

If both objects are null 0 is returns 0, if only one is null returns 1, otherwise -99999

getDistance

public float getDistance(Individual i1,
                Individual i2,
                java.lang.String attribute,
                Population p)

Description copied from class: Missing

Computes the distance between 'a' and 'b' considering missing values. Returns the distance between the individuals for a given attribute considering missing values.

Specified by:

getDistance in class Missing

Parameters:

i1 - Individual.

i2 - Individual.

attribute - Attribute id

p - Population.

Returns:

Distance between 'a' and 'b'