title: Cluster analysis: a perspective.
authors.affiliation: EMF Health Studies Program, Environment Division, Electric Power Research Institute, Palo Alto, CA 94303.
authors.forename: L I
authors.initials: LI
authors.lastname: Kheifets
mesh_terms: D016000:Cluster Analysis; D004812:Epidemiologic Methods; D011634:Public Health / Q000379:methods