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cluster analysis |
Also found in: Financial, Encyclopedia, Wikipedia, Hutchinson | 0.04 sec. |
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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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Recently, more complicated applications for GIS have included the active surveillance of cancer data to detect cancer clustering, a venture requiring coordinated implementation of GIS mapping and statistics-based spatiotemporal cluster analyses (Muravov et al. Computer-assisted spatiotemporal cluster analyses might help identify and statistically evaluate increased instances of meningococcal disease, thus providing valuable information for further public health investigation and intervention. Finally, due to small cell sizes of this qualitative investigation, regression and cluster analyses must be interpreted primarily in terms of generating hypotheses for further study. |
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