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Class Definition: DaviesBouldinEvaluation

statistics: DaviesBouldinEvaluation

Davies-Bouldin object to evaluate clustering solutions

A DaviesBouldinEvaluation object is a ClusterCriterion object used to evaluate clustering solutions using the Davies-Bouldin criterion.

The Davies-Bouldin criterion is based on the ratio between the distances between clusters and within clusters — distances between centroids and distances between each datapoint and its centroid.

The best solution according to the Davies-Bouldin criterion is the one that produces the lowest Davies-Bouldin value.

See also: evalclusters, ClusterCriterion, CalinskiHarabaszEvaluation, GapEvaluation, SilhouetteEvaluation

Source Code: DaviesBouldinEvaluation

Methods

DaviesBouldinEvaluation: obj = addK (obj, K)

DaviesBouldinEvaluation: plot (obj)
DaviesBouldinEvaluation: h = plot (obj)

Plot the CriterionValues against InspectedK from the DaviesBouldinEvaluation ClusterCriterion to the current plot. Returns an axes handle if requested.

DaviesBouldinEvaluation: obj = compact (obj)