Package elki.visualization.projector

Class SilhouettePlotProjector

java.lang.Object

elki.visualization.projector.SilhouettePlotProjector

All Implemented Interfaces:

Projector, VisualizationItem

public class SilhouettePlotProjector
extends java.lang.Object
implements Projector

Projection for Silhouette plots.

Since:

0.8.0

Author:

Robert Gehde

Field Summary

Fields

Modifier and Type	Field	Description
private Clustering<?>	clustering	Underlying clustering
private SilhouettePlot	plot	Silhouette plot image
private DoubleDBIDList[]	values	Silhouette values

Constructor Summary

Constructors

Constructor	Description
SilhouettePlotProjector(Clustering<?> clustering, DoubleRelation dds)	Constructor.

Method Summary

Modifier and Type	Method	Description
java.util.Collection<PlotItem>	arrange(VisualizerContext context)	Produce an arrangement of projections.
java.lang.String	getMenuName()	Name to display in the menu.
Clustering<?>	getResult()	Get the underlying Clustering
SilhouettePlot	getSilhouettePlot(VisualizerContext context)	Get or produce the actual Silhouette plot.
DoubleDBIDList[]	getValues()	Get the silhouette values
private static DoubleDBIDList[]	sortSilhouette(Clustering<?> c, DoubleRelation dds)	Sort the silhouettes for visualization.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

clustering

private Clustering<?> clustering

Underlying clustering

plot

private SilhouettePlot plot

Silhouette plot image

values

private DoubleDBIDList[] values

Silhouette values

Constructor Detail

SilhouettePlotProjector

public SilhouettePlotProjector(Clustering<?> clustering,
                               DoubleRelation dds)

Constructor.

Parameters:

clustering - clustering on which the silhouette values are calculated

dds - silhouette values sorted by clusters

Method Detail

sortSilhouette

private static DoubleDBIDList[] sortSilhouette(Clustering<?> c,
                                               DoubleRelation dds)

Sort the silhouettes for visualization.

Parameters:

c - Clustering

dds - Silhouette values

Returns:

Sorted silhouette per cluster

getMenuName

public java.lang.String getMenuName()

Description copied from interface: VisualizationItem

Name to display in the menu. May be null or empty string.

Specified by:

getMenuName in interface VisualizationItem

Returns:

Menu name.

arrange

public java.util.Collection<PlotItem> arrange(VisualizerContext context)

Description copied from interface: Projector

Produce an arrangement of projections.

Specified by:

arrange in interface Projector

Parameters:

context - Visualization context

Returns:

Arrangement.

getSilhouettePlot

public SilhouettePlot getSilhouettePlot(VisualizerContext context)

Get or produce the actual Silhouette plot.

Parameters:

context - Context to use

Returns:

Plot

getResult

public Clustering<?> getResult()

Get the underlying Clustering

Returns:

the clustering

getValues

public DoubleDBIDList[] getValues()

Get the silhouette values

Returns:

the silhouette values