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cluster analysis |
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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. cluster analysis, n a complex statistical technique of data analysis of numeric scale scores, producing clusters of variables related to one another. 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. 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. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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Many methods have been developed for cluster analysis (8). To use multidimensional scaling and hierarchical cluster analysis the paper develops a dissimilarity measure from the switching matrix. We carried out three levels of analysis: a) an elementary analysis involving simple visual inspection of a geographic phenomenon; b) a cluster analysis attempting the identification of possible "hot spots," and c) a contextual analysis aiming to explain relationships among geographic phenomena (Bailey and Gatrell 1995; Olson 1976). |
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