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constellation diagram
constellation diagram A representation of species affinities that is based on χ2 as a measure of the association between species. The reciprocal of the χ2 value for each species pair is used to plot the diagram, so that highly positively associated species with large X2 values are positioned closely together. Thus clusters of similarly distributed species may emerge, while the transitional affinities of a species with those of another main focal area or cluster will be evident. The constellation diagram exemplifies a simply calculated ordination method.
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Cite this article
MICHAEL ALLABY. "constellation diagram." A Dictionary of Zoology. 1999. Encyclopedia.com. 1 Jun. 2012 <http://www.encyclopedia.com>. MICHAEL ALLABY. "constellation diagram." A Dictionary of Zoology. 1999. Encyclopedia.com. (June 1, 2012). http://www.encyclopedia.com/doc/1O8-constellationdiagram.html MICHAEL ALLABY. "constellation diagram." A Dictionary of Zoology. 1999. Retrieved June 01, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O8-constellationdiagram.html |
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constellation diagram
constellation diagram A representation of species affinities based on χ2 as a measure of the association between species. The reciprocal of the χ2 value for each species pair is used to plot the diagram, so that highly positively associated species with large χ2 values are positioned closely together. Thus, clusters of similarly distributed species may emerge, while the transitional affinities of a species with those of another main focal area or cluster will be evident. The constellation diagram exemplifies a simply calculated ordination method.
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Cite this article
MICHAEL ALLABY. "constellation diagram." A Dictionary of Plant Sciences. 1998. Encyclopedia.com. 1 Jun. 2012 <http://www.encyclopedia.com>. MICHAEL ALLABY. "constellation diagram." A Dictionary of Plant Sciences. 1998. Encyclopedia.com. (June 1, 2012). http://www.encyclopedia.com/doc/1O7-constellationdiagram.html MICHAEL ALLABY. "constellation diagram." A Dictionary of Plant Sciences. 1998. Retrieved June 01, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O7-constellationdiagram.html |
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constellation diagram
constellation diagram A representation of species affinities based on χ2 as a measure of the association between species. The reciprocal of the χ2 value for each species pair is used to plot the diagram, so that highly positively associated species with large χ2 values are positioned closely together. Thus clusters of similarly distributed species may emerge, while the transitional affinities of a species with those of another main focal area or cluster will be evident. The constellation diagram exemplifies a simply calculated ordination method.
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Cite this article
MICHAEL ALLABY. "constellation diagram." A Dictionary of Ecology. 2004. Encyclopedia.com. 1 Jun. 2012 <http://www.encyclopedia.com>. MICHAEL ALLABY. "constellation diagram." A Dictionary of Ecology. 2004. Encyclopedia.com. (June 1, 2012). http://www.encyclopedia.com/doc/1O14-constellationdiagram.html MICHAEL ALLABY. "constellation diagram." A Dictionary of Ecology. 2004. Retrieved June 01, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O14-constellationdiagram.html |
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