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

Class OutlierRankingEvaluation

java.lang.Object

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

All Implemented Interfaces:

Evaluator, ResultProcessor

public class OutlierRankingEvaluation
extends Object
implements Evaluator

Evaluate outlier scores by their ranking

Author:

Erich Schubert

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	OutlierRankingEvaluation.Parameterizer Parameterization class.

Field Summary

Fields

Modifier and Type	Field and Description
private String	key Key prefix for statistics logging.
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
OutlierRankingEvaluation(Pattern positive_class_name) Constructor.

Method Summary

Modifier and Type	Method and Description
private EvaluationResult	evaluateOrderingResult(int size, SetDBIDs positiveids, DBIDs order)
private EvaluationResult	evaluateOutlierResult(int size, SetDBIDs positiveids, OutlierResult or)
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: -rocauc.positive

positiveClassName

private Pattern positiveClassName

Stores the "positive" class.

key

private String key

Key prefix for statistics logging.

Constructor Detail

OutlierRankingEvaluation

public OutlierRankingEvaluation(Pattern positive_class_name)

Constructor.

Parameters:

positive_class_name - Positive class name pattern

Method Detail

evaluateOutlierResult

private EvaluationResult evaluateOutlierResult(int size,
                                               SetDBIDs positiveids,
                                               OutlierResult or)

evaluateOrderingResult

private EvaluationResult evaluateOrderingResult(int size,
                                                SetDBIDs positiveids,
                                                DBIDs order)

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.