O
- Database object type@Title(value="Distance based outlier score") @Description(value="Generalization of the original DB-Outlier approach to a ranking method, by turning the fraction parameter into the output value.") @Reference(prefix="Generalization of a method proposed in", authors="E.M. Knorr, R. T. Ng", title="Algorithms for Mining Distance-Based Outliers in Large Datasets", booktitle="Procs Int. Conf. on Very Large Databases (VLDB\'98), New York, USA, 1998") @Alias(value="de.lmu.ifi.dbs.elki.algorithm.outlier.DBOutlierScore") public class DBOutlierScore<O> extends AbstractDBOutlier<O>
E.M. Knorr, R. T. Ng:
Algorithms for Mining Distance-Based Outliers in Large Datasets,
In: Procs Int. Conf. on Very Large Databases (VLDB'98), New York, USA, 1998.
Modifier and Type | Class and Description |
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static class |
DBOutlierScore.Parameterizer<O>
Parameterization class.
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Modifier and Type | Field and Description |
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private static Logging |
LOG
The logger for this class.
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DISTANCE_FUNCTION_ID
Constructor and Description |
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DBOutlierScore(DistanceFunction<O> distanceFunction,
double d)
Constructor with parameters.
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Modifier and Type | Method and Description |
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protected DoubleDataStore |
computeOutlierScores(Database database,
Relation<O> relation,
double d)
computes an outlier score for each object of the database.
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protected Logging |
getLogger()
Get the (STATIC) logger for this class.
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getInputTypeRestriction, run
getDistanceFunction
makeParameterDistanceFunction, run
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
run
private static final Logging LOG
public DBOutlierScore(DistanceFunction<O> distanceFunction, double d)
distanceFunction
- Distance functiond
- distance radius parameterprotected DoubleDataStore computeOutlierScores(Database database, Relation<O> relation, double d)
AbstractDBOutlier
computeOutlierScores
in class AbstractDBOutlier<O>
database
- Databaserelation
- Relationd
- distanceprotected Logging getLogger()
AbstractAlgorithm
getLogger
in class AbstractAlgorithm<OutlierResult>
Copyright © 2015 ELKI Development Team, Lehr- und Forschungseinheit für Datenbanksysteme, Ludwig-Maximilians-Universität München. License information.