Combiner treillis de Galois et analyse factorielle multiple pour l'analyse de traits biologiques
Identifieur interne : 003506 ( Main/Merge ); précédent : 003505; suivant : 003507Combiner treillis de Galois et analyse factorielle multiple pour l'analyse de traits biologiques
Auteurs : Aurélie Bertaux [France] ; Florence Le Ber [France] ; Pulu Li [France] ; Michèle Trémolières [France]Source :
Abstract
Dans le cadre de travaux sur la qualification de l'état écologique des cours d'eau, nous nous intéressons aux informations portées implicitement par les caractéristiques (ou traits) biologiques des macrophytes qui y vivent. Classiquement les hydrobiologistes employent des méthodes telles que l'analyse factorielle et la classification hiérarchique qui permettent d'établir des groupes d'espèces et de les caractériser par leurs principaux traits. Des résultats similaires peuvent être obtenus grâce aux treillis de Galois ou treillis de concepts formels, qui permettent de structurer des ensembles d'objets et leurs propriétés. Nous nous intéressons donc à étudier les combinaisons de ces deux approches et leurs apports réciproques dans le cadre de l'analyse des caractéristiques biologiques des macrophytes.
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Classiquement les hydrobiologistes employent des méthodes telles que l'analyse factorielle et la classification hiérarchique qui permettent d'établir des groupes d'espèces et de les caractériser par leurs principaux traits. Des résultats similaires peuvent être obtenus grâce aux treillis de Galois ou treillis de concepts formels, qui permettent de structurer des ensembles d'objets et leurs propriétés. Nous nous intéressons donc à étudier les combinaisons de ces deux approches et leurs apports réciproques dans le cadre de l'analyse des caractéristiques biologiques des macrophytes.</div></front></TEI></record>Pour manipuler ce document sous Unix (Dilib)
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