de.lmu.ifi.dbs.elki.evaluation.outlier

Class OutlierPrecisionAtKCurve

java.lang.Object

de.lmu.ifi.dbs.elki.evaluation.outlier.OutlierPrecisionAtKCurve

All Implemented Interfaces:

Evaluator, ResultProcessor

public class OutlierPrecisionAtKCurve
extends Object
implements Evaluator

Compute a curve containing the precision values for an outlier detection method.

Author:

Erich Schubert

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	OutlierPrecisionAtKCurve.Parameterizer Parameterization class.
static class	OutlierPrecisionAtKCurve.PrecisionAtKCurve Precision at K curve.

Field Summary

Fields

Modifier and Type	Field and Description
private static Logging	LOG The logger.
private int	maxk Maximum value for k
private Pattern	positiveClassName Stores the "positive" class.

Constructor Summary

Constructors

Constructor and Description
OutlierPrecisionAtKCurve(Pattern positiveClassName, int maxk) Constructor.

Method Summary

Methods

Modifier and Type	Method and Description
private XYCurve	computePrecisionResult(int size, SetDBIDs positiveids, DBIDs order)
void	processNewResult(ResultHierarchy hier, Result result) Process a result.

Methods inherited from class java.lang.Object

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

Field Detail

LOG

private static final Logging LOG

The logger.

positiveClassName

private Pattern positiveClassName

Stores the "positive" class.

maxk

private int maxk

Maximum value for k

Constructor Detail

OutlierPrecisionAtKCurve

public OutlierPrecisionAtKCurve(Pattern positiveClassName,
                        int maxk)

Constructor.

Parameters:

positiveClassName - Pattern to recognize outliers

maxk - Maximum value for k

Method Detail

processNewResult

public void processNewResult(ResultHierarchy hier,
                    Result result)

Description copied from interface: ResultProcessor

Process a result.

Specified by:

processNewResult in interface ResultProcessor

Parameters:

hier - The base of the result tree.

result - Newly added result subtree.

computePrecisionResult

private XYCurve computePrecisionResult(int size,
                             SetDBIDs positiveids,
                             DBIDs order)