[R-sig-eco] Distance for logistic models

[Daniel Patón Domínguez]

Dear all:

I am preparing a study using Non-Metric Multidimensional Scaling with some acoustic parameters. The final fitting indicate a R2 of 0,99 using canberra distance. However, the tendency of fitting between ordination distances and observed dissimilarities show a logistic form. I had tested 12 mathematical distances-simmilarity-disimilarity analysis but probably additional distances not include in dist or ecodist libraries can be used. Any suggestion?

Regards

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 Daniel Patón Domínguez
 Numerical Ecology. Ecology Unit
 Department of Plant Biology, Ecology and Earth Sciences
 Faculty of Sciences. University of Extremadura
 Avda. Elvas s/n 06071 Badajoz (Spain)
 http://unex.academia.edu/DanielPatonDominguez
 https://www.researchgate.net/profile/Daniel_Paton/
 http://sites.google.com/site/numericalecologyuex/home