Package elki.outlier.lof
Class SimpleKernelDensityLOF<O extends NumberVector>
- java.lang.Object
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- elki.outlier.lof.SimpleKernelDensityLOF<O>
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- Type Parameters:
O
- the type of objects handled by this algorithm
- All Implemented Interfaces:
Algorithm
,OutlierAlgorithm
public class SimpleKernelDensityLOF<O extends NumberVector> extends java.lang.Object implements OutlierAlgorithm
A simple variant of the LOF algorithm, which uses a simple kernel density estimation instead of the local reachability density.- Since:
- 0.5.5
- Author:
- Erich Schubert
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Nested Class Summary
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Nested classes/interfaces inherited from interface elki.Algorithm
Algorithm.Utils
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Constructor Summary
Constructors Constructor Description SimpleKernelDensityLOF(int k, Distance<? super O> distance, KernelDensityFunction kernel)
Constructor.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description TypeInformation[]
getInputTypeRestriction()
Get the input type restriction used for negotiating the data query.OutlierResult
run(Relation<O> relation)
Run the naive kernel density LOF algorithm.-
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
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Methods inherited from interface elki.outlier.OutlierAlgorithm
autorun
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Field Detail
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LOG
private static final Logging LOG
The logger for this class.
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distance
protected Distance<? super O extends NumberVector> distance
Distance function used.
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kplus
protected int kplus
Number of neighbors + the query point
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kernel
protected KernelDensityFunction kernel
Kernel density function
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Constructor Detail
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SimpleKernelDensityLOF
public SimpleKernelDensityLOF(int k, Distance<? super O> distance, KernelDensityFunction kernel)
Constructor.- Parameters:
k
- number of neighborskernel
- Kernel function
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Method Detail
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getInputTypeRestriction
public TypeInformation[] getInputTypeRestriction()
Description copied from interface:Algorithm
Get the input type restriction used for negotiating the data query.- Specified by:
getInputTypeRestriction
in interfaceAlgorithm
- Returns:
- Type restriction
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run
public OutlierResult run(Relation<O> relation)
Run the naive kernel density LOF algorithm.- Parameters:
relation
- Data to process- Returns:
- LOF outlier result
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