The Forward Search is used in an exploratorymanner, with many random starts, to indicate the number of clusters and their membership in continuous data. The prospective clusters can readily be distinguished from background noise and from other forms of outliers. A confirmatory Forward Search, involving control on the sizes of statistical tests, establishes precise cluster membership. The method performs as well as robust methods such as TCLUST. However, it does not require prior specification of the number of clusters, nor of the level of trimming of outliers. In this way it is “user friendly”.
CITATION STYLE
Atkinson, A. C., Cerioli, A., Morelli, G., & Riani, M. (2015). Finding the number of disparate clusters with background contamination. In Studies in Classification, Data Analysis, and Knowledge Organization (Vol. 48, pp. 29–42). Kluwer Academic Publishers. https://doi.org/10.1007/978-3-662-44983-7_3
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