T - the type of the clustered pointspublic class SumOfClusterVariances<T extends Clusterable> extends ClusterEvaluator<T>
\( score = \sum\limits_{i=1}^n \sigma_i^2 \)
where n is the number of clusters and \( \sigma_i^2 \) is the variance of
intra-cluster distances of cluster \( c_i \).| Constructor and Description |
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SumOfClusterVariances(DistanceMeasure measure) |
| Modifier and Type | Method and Description |
|---|---|
double |
score(List<? extends Cluster<T>> clusters)
Computes the evaluation score for the given list of clusters.
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centroidOf, distance, isBetterScorepublic SumOfClusterVariances(DistanceMeasure measure)
measure - the distance measure to usepublic double score(List<? extends Cluster<T>> clusters)
score in class ClusterEvaluator<T extends Clusterable>clusters - the clusters to evaluateCopyright © 2003–2016 The Apache Software Foundation. All rights reserved.