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similarity coefficient

similarity coefficient Any measure of the similarity of two samples. In ecological work, the similarity index devised in 1920 by H. A. Gleason has been widely used. This measures similarity as C = 2W/(a + b), where a and b are the quantities of all the plants (or another commodity) found in the 2 stands, or other units to be compared, and W is the sum of the lesser values for those species common to both units. Complete similarity thus scores 1, complete dissimilarity 0. See also AFFINITY INDEX.

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"similarity coefficient." A Dictionary of Plant Sciences. . Encyclopedia.com. 20 Jan. 2018 <http://www.encyclopedia.com>.

"similarity coefficient." A Dictionary of Plant Sciences. . Encyclopedia.com. (January 20, 2018). http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/similarity-coefficient-0

"similarity coefficient." A Dictionary of Plant Sciences. . Retrieved January 20, 2018 from Encyclopedia.com: http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/similarity-coefficient-0

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similarity coefficient

similarity coefficient Any measure of the similarity of two samples. In ecological work, the similarity index devised in 1920 by H. A. Gleason has been widely used. This measures similarity as C = 2W/(a + b), where a and b are the quantities of all the species (or other commodity) found in the two units to be compared, and W is the sum of the lesser values for those species common to both units. Complete similarity thus scores 1, complete dissimilarity 0. See also AFFINITY INDEX.

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"similarity coefficient." A Dictionary of Zoology. . Encyclopedia.com. 20 Jan. 2018 <http://www.encyclopedia.com>.

"similarity coefficient." A Dictionary of Zoology. . Encyclopedia.com. (January 20, 2018). http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/similarity-coefficient-1

"similarity coefficient." A Dictionary of Zoology. . Retrieved January 20, 2018 from Encyclopedia.com: http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/similarity-coefficient-1

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Encyclopedia.com gives you the ability to cite reference entries and articles according to common styles from the Modern Language Association (MLA), The Chicago Manual of Style, and the American Psychological Association (APA).

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Because each style has its own formatting nuances that evolve over time and not all information is available for every reference entry or article, Encyclopedia.com cannot guarantee each citation it generates. Therefore, it’s best to use Encyclopedia.com citations as a starting point before checking the style against your school or publication’s requirements and the most-recent information available at these sites:

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American Psychological Association

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Notes:
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similarity coefficient

similarity coefficient Any measure of the similarity of two samples. In ecological work the similarity index devised in 1920 by H. A.Gleason has been widely used. This measures similarity as C = 2W/(a + b), where a and b are the quantities of all the species (or other commodity) found in the two units to be compared, and W is the sum of the lesser values for those species common to both units. Complete similarity thus scores 1, complete dissimilarity 0. See also affinity index.

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"similarity coefficient." A Dictionary of Ecology. . Encyclopedia.com. 20 Jan. 2018 <http://www.encyclopedia.com>.

"similarity coefficient." A Dictionary of Ecology. . Encyclopedia.com. (January 20, 2018). http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/similarity-coefficient

"similarity coefficient." A Dictionary of Ecology. . Retrieved January 20, 2018 from Encyclopedia.com: http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/similarity-coefficient

Learn more about citation styles

Citation styles

Encyclopedia.com gives you the ability to cite reference entries and articles according to common styles from the Modern Language Association (MLA), The Chicago Manual of Style, and the American Psychological Association (APA).

Within the “Cite this article” tool, pick a style to see how all available information looks when formatted according to that style. Then, copy and paste the text into your bibliography or works cited list.

Because each style has its own formatting nuances that evolve over time and not all information is available for every reference entry or article, Encyclopedia.com cannot guarantee each citation it generates. Therefore, it’s best to use Encyclopedia.com citations as a starting point before checking the style against your school or publication’s requirements and the most-recent information available at these sites:

Modern Language Association

http://www.mla.org/style

The Chicago Manual of Style

http://www.chicagomanualofstyle.org/tools_citationguide.html

American Psychological Association

http://apastyle.apa.org/

Notes:
  • Most online reference entries and articles do not have page numbers. Therefore, that information is unavailable for most Encyclopedia.com content. However, the date of retrieval is often important. Refer to each style’s convention regarding the best way to format page numbers and retrieval dates.
  • In addition to the MLA, Chicago, and APA styles, your school, university, publication, or institution may have its own requirements for citations. Therefore, be sure to refer to those guidelines when editing your bibliography or works cited list.