Peer Community Journal

Nicvert, Lisa

Fritz, Hervé

Dray, Stéphane

C EN T R EMER S ENN EPeer Community Journal is a member of theCentre Mersenne for Open Scientific Publishinghttp://www.centre-mersenne.org/e-ISSN 2804-3871Peer Community JournalSection: EcologyResearch articlePublished2025-08-21Cite asLisa Nicvert, Hervé Fritz andStéphane Dray (2025)Corrigendum: Trait matchingwithout traits: usingcorrespondence analysis toinvestigate the latent structureof interaction networks, PeerCommunity Journal, 5: e86.Correspondencelisa.nicvert@fondationbiodiversite.frPeer-reviewPeer reviewed andrecommended byPCI Ecology,https://doi.org/10.24072/pci.ecology.100765This article is licensedunder the Creative CommonsAttribution 4.0 License.Corrigendum: Trait matchingwithout traits: usingcorrespondence analysis toinvestigate the latent structure ofinteraction networksLisa Nicvert ,1,2, Hervé Fritz ,3,4, and StéphaneDray ,1Volume 5 (2025), article e86https://doi.org/10.24072/pcjournal.610AbstractIn the original article, Equation (2) should read Dr−1P0Dc−1 = UDV⊤ instead of P0 =UDV⊤. The paragraph directly above Equation (2) should thus be reformulated as: “CAis based on the generalized singular value decomposition of the matrix Dr−1P0Dc−1,where P0 = P − rc⊤ is the double centered matrix of interaction frequencies P.”1Universite Claude Bernard Lyon 1, LBBE, UMR 5558, CNRS, VAS – Villeurbanne, France, 2FRB-Cesab –Montpellier, France, 3REHABS, International Research Laboratory, CNRS-NMU-UCBL, NelsonMandela Uni-versity – George, South Africa, 4Sustainability Research Unit, Nelson Mandela University – George, SouthAfricaIn the original article, Equation (2) should read Dr−1P0Dc−1 = UDV⊤ instead of P0 = UDV⊤.The paragraph directly above Equation (2) should thus be reformulated as:“CA is based on the generalized singular value decomposition of thematrixDr−1P0Dc−1,where P0 = P − rc⊤ is the double centered matrix of interaction frequencies P.”2 Lisa Nicvert et al.Peer Community Journal, Vol. 5 (2025), article e86 https://doi.org/10.24072/pcjournal.610

Corrigendum: Trait matching without traits: using correspondence analysis to investigate the latent structure of interaction networks

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