Re: [R-sig-eco] RE : CCA vs NMDS and ordisurf

2013-04-22 Thread Gavin Simpson
Gillet [francois.gil...@univ-fcomte.fr] Date d'envoi : samedi 20 avril 2013 10:59 À : Gavin Simpson Cc: Aurélie Boissezon; r-sig-ecology@r-project.org Objet : Re: [R-sig-eco] RE : CCA vs NMDS and ordisurf 2013/4/19 Gavin Simpson gavin.simp...@ucl.ac.ukmailto:gavin.simp...@ucl.ac.uk I

Re: [R-sig-eco] RE : CCA vs NMDS and ordisurf

2013-04-22 Thread Jari Oksanen
...@gmail.com [fgill...@gmail.com] de la part de François Gillet [francois.gil...@univ-fcomte.fr] Date d'envoi : samedi 20 avril 2013 10:59 À : Gavin Simpson Cc: Aurélie Boissezon; r-sig-ecology@r-project.org Objet : Re: [R-sig-eco] RE : CCA vs NMDS and ordisurf 2013/4/19 Gavin Simpson

Re: [R-sig-eco] RE : CCA vs NMDS and ordisurf

2013-04-20 Thread François Gillet
2013/4/19 Gavin Simpson gavin.simp...@ucl.ac.uk I really don't see why this has to be an either/or situation. I fully agree: direct and indirect gradient analyses are complementary! Sorry for not having stressed that in my short answers... François [[alternative HTML version

[R-sig-eco] RE : CCA vs NMDS and ordisurf

2013-04-19 Thread Aurélie Boissezon
-sig-ecology-boun...@r-project.org] de la part de Pierre THIRIET [pierre.d.thir...@gmail.com] Date d'envoi : jeudi 18 avril 2013 14:52 À : r-sig-ecology@r-project.org Objet : Re: [R-sig-eco] CCA vs NMDS and ordisurf Dear Aurélie, About the dissimilarity measures and data you used: Bray-curtis

Re: [R-sig-eco] RE : CCA vs NMDS and ordisurf

2013-04-19 Thread François Gillet
A lot of questions, some responses below... 2013/4/19 Aurélie Boissezon aurelie.boisse...@unige.ch The main purpose is to understand how disturbance gradient affect the composition of the macrophyte community, in particular the distribution of Charophytes (V3 mission in Anderson et al 2011).

Re: [R-sig-eco] RE : CCA vs NMDS and ordisurf

2013-04-19 Thread Gavin Simpson
A contrary view in-lined below: On Fri, 2013-04-19 at 15:19 +0200, François Gillet wrote: A lot of questions, some responses below... snip / Why not explore unconstrained ordination methods and went further with NMDS (V2 mission in Anderson et al 2011)? Just because your purpose is to