de.lmu.ifi.dbs.elki.index.preprocessed.preference

Class HiSCPreferenceVectorIndex.Factory<V extends NumberVector>

java.lang.Object

de.lmu.ifi.dbs.elki.index.preprocessed.preference.AbstractPreferenceVectorIndex.Factory<V>

de.lmu.ifi.dbs.elki.index.preprocessed.preference.HiSCPreferenceVectorIndex.Factory<V>

Type Parameters:

V - Vector type

All Implemented Interfaces:

IndexFactory<V>, PreferenceVectorIndex.Factory<V>

Enclosing class:

HiSCPreferenceVectorIndex<V extends NumberVector>

public static class HiSCPreferenceVectorIndex.Factory<V extends NumberVector>
extends AbstractPreferenceVectorIndex.Factory<V>

Factory class.

Author:

Erich Schubert

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	HiSCPreferenceVectorIndex.Factory.Parameterizer<V extends NumberVector> Parameterization class.

Field Summary

Fields

Modifier and Type	Field and Description
protected double	alpha The maximum absolute variance along a coordinate axis.
protected int	k The number of nearest neighbors considered to determine the preference vector.

Constructor Summary

Constructors

Constructor and Description
Factory(double alpha, int k) Constructor.

Method Summary

Modifier and Type	Method and Description
double	getAlpha() Get the alpha parameter.
HiSCPreferenceVectorIndex<V>	instantiate(Relation<V> relation) Instantiate the index for a given database.

Methods inherited from class de.lmu.ifi.dbs.elki.index.preprocessed.preference.AbstractPreferenceVectorIndex.Factory

getInputTypeRestriction

Methods inherited from class java.lang.Object

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

Field Detail

alpha

protected double alpha

The maximum absolute variance along a coordinate axis.

k

protected int k

The number of nearest neighbors considered to determine the preference vector.

Constructor Detail

Factory

public Factory(double alpha,
               int k)

Constructor.

Parameters:

alpha - Alpha

k - k

Method Detail

getAlpha

public double getAlpha()

Get the alpha parameter.

Returns:

Alpha

instantiate

public HiSCPreferenceVectorIndex<V> instantiate(Relation<V> relation)

Description copied from interface: PreferenceVectorIndex.Factory

Instantiate the index for a given database.

Specified by:

instantiate in interface IndexFactory<V extends NumberVector>

Specified by:

instantiate in interface PreferenceVectorIndex.Factory<V extends NumberVector>

Specified by:

instantiate in class AbstractPreferenceVectorIndex.Factory<V extends NumberVector>

Parameters:

relation - Relation to use

Returns:

Index