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Computerized matching of relevés and association tables, with an application to the British National Vegetation Classification / M. O. Hill in Vegetatio, vol. 83, n°1-2 (Année 1989)

Public [article]  inVegetatio > vol. 83, n°1-2 (Année 1989) . - pp. 187-194 Titre : Computerized matching of relevés and association tables, with an application to the British National Vegetation Classification Type de document : texte imprimé Auteurs : M. O. Hill, Auteur Année de publication : 1989 Article en page(s) : pp. 187-194 Langues : Anglais (eng) Mots-clés : Bayesian inference  diagnose  Goodness-of-fit Résumé : "When a new relevé is to be assigned to a pre-existing type, its composition is compared with an association table. Bayesian inference may seem a good way to make the comparison, but presents difficulties. In an alternative approach, three indices of goodness-of-fit are proposed. Compositional satisfaction is a measure of how well the species composition of the relevé fits the constancy classes in the table; it is a minor modification of the Czekanowski coefficient of similarity between observed and expected numbers of species in each constancy class. Dominance satisfaction is a modification of the Czekanowski similarity between the relevé and cover values that might be expected from the association table. Dominance constancy is a weighted mean of the constancy class of the four most abundant species in the relevé. A computer program, TABLEFIT, combines them into a single index. It has been tested on British mire vegetation." Type de publication : périodique Référence biblio : Hill M.-O., 1989 - Computerized matching of relevés and association tables, with an application to the British National Vegetation Classification. Vegetatio, 83 : 187-194. Permalink : http://www.cbnbrest.fr/catalogue_en_ligne/index.php?lvl=notice_display&id=66168 [article]

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