cluster analysis

cluster analysis

Etymology: AS, clyster, growing together; Gk, analyein, to loosen

(in statistics) a complex technique of data analysis of numeric scale scores that produces clusters of variables related to one another. The technique is performed with computer software or statistics programs.

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cluster analysis,

n a complex statistical technique of data analysis of numeric scale scores, producing clusters of variables related to one another.

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cluster

1. in epidemiological terms a naturally occurring group of similar units, e.g. animals which resemble each other, with respect to one or more variables, more than animals in different groups do, or a group of cases of a single disease in time or space.

2. assembly of claw and teat cups, as part of a milking machine.

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cluster analysis

1. statistical methods used to group variables or observations into strongly interrelated subgroups.

2. a statistical analysis of the relationships between clusters in time and/or space.

cluster fly

see polleniarudis.

cluster sampling

see cluster sampling.