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

Class OutlierPrecisionRecallCurve

java.lang.Object

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

All Implemented Interfaces:

Evaluator, ResultProcessor

public class OutlierPrecisionRecallCurve
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	OutlierPrecisionRecallCurve.Parameterizer Parameterization class.
static class	OutlierPrecisionRecallCurve.PRCurve P/R Curve

Field Summary

Fields

Modifier and Type	Field and Description
private static Logging	LOG The logger.
private Pattern	positiveClassName Stores the "positive" class.

Constructor Summary

Constructors

Constructor and Description
OutlierPrecisionRecallCurve(Pattern positiveClassName) Constructor.

Method Summary

Methods

Modifier and Type	Method and Description
private XYCurve	computePrecisionResult(int size, SetDBIDs ids, DBIDIter iter, DoubleRelation scores)
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.

Constructor Detail

OutlierPrecisionRecallCurve

public OutlierPrecisionRecallCurve(Pattern positiveClassName)

Constructor.

Parameters:

positiveClassName - Pattern to recognize outliers

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 ids,
                             DBIDIter iter,
                             DoubleRelation scores)