TWO ADDITIONS TO HIERARCHICAL CLUSTER ANALYSIS†
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TL;DR
Two additions to Johnson's hierarchical cluster analysis (1967) are proposed, a procedure for ordering the clusters to make the obtained solution unique and frequently more meaningful and a similarity measure, whereby two clusters of the same set of variables can be compared.
Abstract
Two additions to Johnson's hierarchical cluster analysis (1967) are proposed. The first is a procedure for ordering the clusters to make the obtained solution unique and frequently more meaningful. The second is a similarity measure, whereby two (or more) cluster solutions of the same set of variables can be compared. The value of ordered clusterings is illustrated with a reanalysis of data from Miller & Nicely (1955).