de.lmu.ifi.dbs.elki.algorithm.outlier
Class SODModel<O extends RealVector<O,Double>>

java.lang.Object
  de.lmu.ifi.dbs.elki.algorithm.outlier.SODModel<O>

Type Parameters:

O - the type of DatabaseObjects handled by this Result

All Implemented Interfaces:

TextWriteable, Comparable<SODModel<?>>

public class SODModel<O extends RealVector<O,Double>>
extends Object
implements TextWriteable, Comparable<SODModel<?>>

Author:

Arthur Zimek

Field Summary

private O	center
private double[]	centerValues
private DimensionsSelectingEuclideanDistanceFunction<O>	DISTANCE_FUNCTION
private double	expectationOfVariance
private double	sod
private double[]	variances
private BitSet	weightVector

Constructor Summary

SODModel(Database<O> database, List<Integer> neighborhood, double alpha, O queryObject)

Method Summary

int	compareTo(SODModel<?> o)
double	getSod() Return the SOD of the point.
private double	subspaceOutlierDegree(O queryObject, O center, BitSet weightVector)
void	writeToText(TextWriterStream out, String label) Write self to the given TextWriterStream

Methods inherited from class java.lang.Object

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

Field Detail

DISTANCE_FUNCTION

private final DimensionsSelectingEuclideanDistanceFunction<O extends RealVector<O,Double>> DISTANCE_FUNCTION

centerValues

private double[] centerValues

center

private O extends RealVector<O,Double> center

variances

private double[] variances

expectationOfVariance

private double expectationOfVariance

weightVector

private BitSet weightVector

sod

private double sod

Constructor Detail

SODModel

public SODModel(Database<O> database,
                List<Integer> neighborhood,
                double alpha,
                O queryObject)

Parameters:

database -

neighborhood -

alpha -

queryObject -

Method Detail

subspaceOutlierDegree

private double subspaceOutlierDegree(O queryObject,
                                     O center,
                                     BitSet weightVector)

Parameters:

queryObject -

center -

weightVector -

Returns:

sod value

getSod

public double getSod()

Return the SOD of the point.

Returns:

sod value

writeToText

public void writeToText(TextWriterStream out,
                        String label)

Description copied from interface: TextWriteable

Write self to the given TextWriterStream

Specified by:

writeToText in interface TextWriteable

Parameters:

out - Output writer

label - Label

compareTo

public int compareTo(SODModel<?> o)

Specified by:

compareTo in interface Comparable<SODModel<?>>