jsat.clustering.evaluation

Class IntraClusterSumEvaluation

java.lang.Object

jsat.clustering.evaluation.ClusterEvaluationBase

jsat.clustering.evaluation.IntraClusterSumEvaluation

All Implemented Interfaces:

ClusterEvaluation

public class IntraClusterSumEvaluation
extends ClusterEvaluationBase

Evaluates a cluster based on the sum of scores for some IntraClusterEvaluation applied to each cluster.

Author:

Edward Raff

Constructor Summary

Constructors

Constructor and Description
IntraClusterSumEvaluation(IntraClusterEvaluation ice) Creates a new cluster evaluation that returns the sum of the intra cluster evaluations
IntraClusterSumEvaluation(IntraClusterSumEvaluation toCopy) Copy constructor

Method Summary

Modifier and Type	Method and Description
IntraClusterSumEvaluation	clone()
double	evaluate(List<List<DataPoint>> dataSets) Evaluates the clustering of the given set of clusters.

Methods inherited from class jsat.clustering.evaluation.ClusterEvaluationBase

evaluate

Methods inherited from class java.lang.Object

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

Constructor Detail

IntraClusterSumEvaluation

public IntraClusterSumEvaluation(IntraClusterEvaluation ice)

Creates a new cluster evaluation that returns the sum of the intra cluster evaluations

Parameters:

ice - the intra cluster evaluation to use

IntraClusterSumEvaluation

public IntraClusterSumEvaluation(IntraClusterSumEvaluation toCopy)

Copy constructor

Parameters:

toCopy - the object to copy

Method Detail

evaluate

public double evaluate(List<List<DataPoint>> dataSets)

Description copied from interface: ClusterEvaluation

Evaluates the clustering of the given set of clusters.

Parameters:

dataSets - a list of lists, where the size of the first index indicates the the number of clusters, and the list at each index is the data points that make up each cluster.

Returns:

a value in [0, Inf) that indicates the quality of the clustering.

clone

public IntraClusterSumEvaluation clone()

Specified by:

clone in interface ClusterEvaluation

Specified by:

clone in class ClusterEvaluationBase