Generation of random clusters with specified degree of separation

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Generation of random clusters with specified degree of separation

TitleGeneration of random clusters with specified degree of separation
Publication TypeJournal Article
Year of Publication2006
AuthorsQiu, W, Joe, H
JournalJournal of Classification
Volume23
Pagination315-334
Date PublishedSEP
Type of ArticleArticle
ISSN0176-4268
Keywordscluster generation, factorial experiment design, separation index
AbstractWe propose a random cluster generation algorithm that has the desired features: (1) the population degree of separation between clusters and the nearest neighboring clusters can be set to a specified value, based on a separation index; (2) no constraint is imposed on the isolation among clusters in each dimension; (3) the covariance matrices correspond to different shapes, diameters and orientations; (4) the full cluster structures generally could not be detected simply from pair-wise scatterplots of variables; (5) noisy variables and outliers can be imposed to make the cluster structures harder to be recovered. This algorithm is an improvement on the method used in Milligan (1985).
DOI10.1007/s00357-006-0018-y