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, InspectionUtilFrequentlyScanned

public class OutlierPrecisionRecallCurve
extends Object
implements Evaluator

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

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.
static OptionID	POSITIVE_CLASS_NAME_ID The pattern to identify positive classes.
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, Relation<Double> scores)
void	processNewResult(HierarchicalResult baseResult, 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.

POSITIVE_CLASS_NAME_ID

public static final OptionID POSITIVE_CLASS_NAME_ID

The pattern to identify positive classes.

Key: -precision.positive

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(HierarchicalResult baseResult,
                    Result result)

Description copied from interface: ResultProcessor

Process a result.

Specified by:

processNewResult in interface ResultProcessor

Parameters:

baseResult - The base of the result tree.

result - Newly added result subtree.

computePrecisionResult

private XYCurve computePrecisionResult(int size,
                             SetDBIDs ids,
                             DBIDIter iter,
                             Relation<Double> scores)