[R-sig-eco] Multivariate Analyses of Ecological Communities

2013-11-04 Thread Rich Shepard
I've read the docs for anosim, adonis, and mrpp and am currently reading the vegan tutorial. Toward the end of the anosim and mprr docs the author writes that each has potential shortcomings and recommends the adonis package be used instead. This leads to my two questions: 1) Why are anosin

Re: [R-sig-eco] Multivariate Analyses of Ecological Communities

2013-11-04 Thread Jari Oksanen
On 04/11/2013, at 17:59 PM, Rich Shepard wrote: I've read the docs for anosim, adonis, and mrpp and am currently reading the vegan tutorial. Toward the end of the anosim and mprr docs the author writes that each has potential shortcomings and recommends the adonis package be used instead.

Re: [R-sig-eco] Multivariate Analyses of Ecological Communities

2013-11-04 Thread Rich Shepard
On Mon, 4 Nov 2013, Jari Oksanen wrote: To serve the people? Jari, Ah, altriism is not dead. :-) I have suggested in the documentation that adonis() usually is better, but it also suffers from similar problems as these alternatives. My analysis suggests that adonis() is more robust and

Re: [R-sig-eco] Multivariate Analyses of Ecological Communities

2013-11-04 Thread Angel
Hello Rich, I may be able to provide some insight into this... Apologies in advance if my response is too big. (First time user) 1: I would think they are included because of familiarity and different usage scenario's. (see 2). ANOSIM has some advantages under very specific usage scenario's,

Re: [R-sig-eco] Multivariate Analyses of Ecological Communities

2013-11-04 Thread Rich Shepard
On Mon, 4 Nov 2013, Angel wrote: Hello Rich, I may be able to provide some insight into this... I would think they are included because of familiarity and different usage scenario's. Angel, I assumed this to be the case and appreciate your insights into what those are. ANOSIM/MRPP