de.lmu.ifi.dbs.elki.algorithm.outlier.lof

Class FlexibleLOF.Parameterizer<O>

java.lang.Object

de.lmu.ifi.dbs.elki.utilities.optionhandling.AbstractParameterizer

de.lmu.ifi.dbs.elki.algorithm.AbstractDistanceBasedAlgorithm.Parameterizer<O>

de.lmu.ifi.dbs.elki.algorithm.outlier.lof.FlexibleLOF.Parameterizer<O>

All Implemented Interfaces:

Parameterizer

Direct Known Subclasses:

OnlineLOF.Parameterizer

Enclosing class:

FlexibleLOF<O>

public static class FlexibleLOF.Parameterizer<O>
extends AbstractDistanceBasedAlgorithm.Parameterizer<O>

Parameterization class.

Author:

Erich Schubert

Field Summary

Fields

Modifier and Type	Field and Description
protected int	kreach The set size to use for reachability distance.
static OptionID	KREACH_ID Parameter to specify the number of nearest neighbors of an object to be considered for computing its reachability distance.
static OptionID	KREF_ID Parameter to specify the number of nearest neighbors of an object to be considered for computing its LOF score, must be an integer greater or equal to 1.
protected int	krefer The reference set size to use.
protected DistanceFunction<O>	neighborhoodDistanceFunction Neighborhood distance function.
static OptionID	REACHABILITY_DISTANCE_FUNCTION_ID The distance function to determine the reachability distance between database objects.
protected DistanceFunction<O>	reachabilityDistanceFunction Reachability distance function.

Fields inherited from class de.lmu.ifi.dbs.elki.algorithm.AbstractDistanceBasedAlgorithm.Parameterizer

distanceFunction

Constructor Summary

Constructors

Constructor and Description
Parameterizer()

Method Summary

Modifier and Type	Method and Description
protected FlexibleLOF<O>	makeInstance() Make an instance after successful configuration.
protected void	makeOptions(Parameterization config) Add all options.

Methods inherited from class de.lmu.ifi.dbs.elki.utilities.optionhandling.AbstractParameterizer

configure, make

Methods inherited from class java.lang.Object

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

Field Detail

REACHABILITY_DISTANCE_FUNCTION_ID

public static final OptionID REACHABILITY_DISTANCE_FUNCTION_ID

The distance function to determine the reachability distance between database objects.

KREF_ID

public static final OptionID KREF_ID

Parameter to specify the number of nearest neighbors of an object to be considered for computing its LOF score, must be an integer greater or equal to 1.

KREACH_ID

public static final OptionID KREACH_ID

Parameter to specify the number of nearest neighbors of an object to be considered for computing its reachability distance.

krefer

protected int krefer

The reference set size to use.

kreach

protected int kreach

The set size to use for reachability distance.

neighborhoodDistanceFunction

protected DistanceFunction<O> neighborhoodDistanceFunction

Neighborhood distance function.

reachabilityDistanceFunction

protected DistanceFunction<O> reachabilityDistanceFunction

Reachability distance function.

Constructor Detail

Parameterizer

public Parameterizer()

Method Detail

makeOptions

protected void makeOptions(Parameterization config)

Description copied from class: AbstractParameterizer

Add all options. ALWAYS call super.makeOptions(config), unless you have a strong reason to do otherwise!

Overrides:

makeOptions in class AbstractDistanceBasedAlgorithm.Parameterizer<O>

Parameters:

config - Parameterization to add options to.

makeInstance

protected FlexibleLOF<O> makeInstance()

Description copied from class: AbstractParameterizer

Make an instance after successful configuration.

Specified by:

makeInstance in class AbstractParameterizer

Returns:

instance