Dear Peter, as far as I know, vegan::decorana does not do DCCA (detrended canonical correspondence analysis) but the unconstrained DCA. If anyone knows the answer for Jonathan's question, please, share it with me, I would also be interested. Best regards,
Attila Peter Solymos <soly...@ualberta.ca> ezt írta (időpont: 2020. nov. 5., Cs, 19:19): > Jonathan, > > Have you checked ?vegan::decorana (it is also mentioned in the vignette on > p 2: > https://cran.r-project.org/web/packages/vegan/vignettes/intro-vegan.pdf > ) > > Cheers, > > Peter > > On Thu, Nov 5, 2020 at 11:03 AM Jonathan Gordon < > jonathangordon...@gmail.com> > wrote: > > > Hello, > > > > I’m aiming to perform a detrended canonical correspondence analysis on a > > pollen sequence, to create beta diversity curves for pollen sequences > > through time. An example of this being done is in Felde (2019) < > > https://link.springer.com/article/10.1007/s00334-019-00726-5>. As far as > > I can tell, DCCA can’t be done in R packages such as vegan, and can only > be > > completed in Canoco. I’m keen not to use Canoco because it's not open > > access and the processes behind the interface are obscured, making for a > > non-repeatable methodology. Please could you advise any way for me to > > perform a DCCA to obtain my desired results, or of a different method? > > > > Best wishes, > > Jonny > > [[alternative HTML version deleted]] > > > > _______________________________________________ > > R-sig-ecology mailing list > > R-sig-ecology@r-project.org > > https://stat.ethz.ch/mailman/listinfo/r-sig-ecology > > > > > -- > Péter Sólymos, PhD > Senior Statistical Ecologist > soly...@ualberta.ca 780-492-8534 > Alberta Biodiversity Monitoring Institute http://www.abmi.ca > Boreal Avian Modelling Project http://www.borealbirds.ca > > [[alternative HTML version deleted]] > > _______________________________________________ > R-sig-ecology mailing list > R-sig-ecology@r-project.org > https://stat.ethz.ch/mailman/listinfo/r-sig-ecology > [[alternative HTML version deleted]] _______________________________________________ R-sig-ecology mailing list R-sig-ecology@r-project.org https://stat.ethz.ch/mailman/listinfo/r-sig-ecology
