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nearest-neighbour analysis

nearest-neighbour analysis(nearest-neighbour measure) A method for testing the pattern of distribution of individuals. The mean nearest-neighbour distance for all, or for a random sample of, individuals in a given area is compared with the expected mean distance if the same individuals were randomly distributed throughout the area. The ratio of the two mean values (R) is a measure of the departure from randomness, and may be tested for statistical significance. The value of R = 1 indicates randomness; R = 0 indicates maximum aggregation; and R = 2.149 indicates maximum possible spacing (i.e. a hexagonal pattern).

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"nearest-neighbour analysis." A Dictionary of Ecology. . Encyclopedia.com. 10 Dec. 2017 <http://www.encyclopedia.com>.

"nearest-neighbour analysis." A Dictionary of Ecology. . Encyclopedia.com. (December 10, 2017). http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/nearest-neighbour-analysis

"nearest-neighbour analysis." A Dictionary of Ecology. . Retrieved December 10, 2017 from Encyclopedia.com: http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/nearest-neighbour-analysis

nearest-neighbour analysis

nearest-neighbour analysis (nearest-neighbour measure) A method for testing the pattern of distribution of individuals. The mean nearest-neighbour distance for all, or for a random sample of, individuals in a given area is compared with the expected mean distance if the same individuals were randomly distributed throughout the area. The ratio of the two mean values (R) is a measure of the departure from randomness, and may be tested for statistical significance. The value of R = 1 indicates randomness; R = 0 indicates maximum aggregation; and R = 2.149 indicates maximum possible spacing, i.e. a hexagonal pattern.

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"nearest-neighbour analysis." A Dictionary of Plant Sciences. . Encyclopedia.com. 10 Dec. 2017 <http://www.encyclopedia.com>.

"nearest-neighbour analysis." A Dictionary of Plant Sciences. . Encyclopedia.com. (December 10, 2017). http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/nearest-neighbour-analysis-0

"nearest-neighbour analysis." A Dictionary of Plant Sciences. . Retrieved December 10, 2017 from Encyclopedia.com: http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/nearest-neighbour-analysis-0