Dear list members, I got an error message working with RaupCrick distance in metaMDS.
> flora.mds = metaMDS(indicadora, distance = "raup", trace = FALSE, zerodist = "ignore") Error in isoMDS(dist, k = k, trace = isotrace) : zero or negative distance between objects 1 and 2 In addition: Warning message: In distfun(comm, method = distance, ...) : data have empty species which influence the results im method raup Best, Manuel -- *Manuel Spínola, Ph.D.* Instituto Internacional en Conservación y Manejo de Vida Silvestre Universidad Nacional Apartado 1350-3000 Heredia COSTA RICA mspin...@una.ac.cr mspinol...@gmail.com Teléfono: (506) 2277-3598 Fax: (506) 2237-7036 Personal website: Lobito de río <https://sites.google.com/site/lobitoderio/> Institutional website: ICOMVIS <http://www.icomvis.una.ac.cr/> [[alternative HTML version deleted]]
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