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a set of statistical methods used to group variables or observations into strongly interrelated subgroups.
Farlex Partner Medical Dictionary © Farlex 2012
clus·ter anal·y·sis(klŭstĕr ă-nali-sis)
Set of statistical methods used to group variablesor observations into strongly interrelated subgroups.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
cluster analysisa statistical method of arranging a set of observations into sub-sets, each of which groups together those observations having similarities.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005