Re: [R-sig-eco] Multivariate ANOVA/repeated measures

2011-10-11 Thread Gavin Simpson
On Mon, 2011-10-10 at 09:47 -0600, Dave Roberts wrote: / snip Nick, I would try something pretty direct. Any appeal to differences in dissimilarities confounds the effects with the particular dissimilarity/distance matrix you use. Assuming the samples and species are in the same

Re: [R-sig-eco] Multivariate ANOVA/repeated measures

2011-10-10 Thread Dave Roberts
On 10/07/2011 08:51 AM, Dr N.A. Cutler wrote: Dear All, I have a query about multivariate analysis of community data. In my experiment, 24 microbial communities in different locations were sampled using Sampling Technique 1 (ST1). A site X species matrix was then derived by molecular

Re: [R-sig-eco] Multivariate ANOVA/repeated measures

2011-10-10 Thread Rich Shepard
On Mon, 10 Oct 2011, Dave Roberts wrote: I want to compare the results of the two sampling exercises in order to test the performance of the two sampling techniques. I would try something pretty direct. Any appeal to differences in dissimilarities confounds the effects with the particular

Re: [R-sig-eco] Multivariate ANOVA/repeated measures

2011-10-10 Thread Gavin Simpson
On Mon, 2011-10-10 at 09:11 -0700, Rich Shepard wrote: On Mon, 10 Oct 2011, Dave Roberts wrote: I want to compare the results of the two sampling exercises in order to test the performance of the two sampling techniques. I would try something pretty direct. Any appeal to differences

Re: [R-sig-eco] Multivariate ANOVA/repeated measures

2011-10-10 Thread Dave Roberts
On 10/10/2011 02:15 PM, Gavin Simpson wrote: On Mon, 2011-10-10 at 09:11 -0700, Rich Shepard wrote: On Mon, 10 Oct 2011, Dave Roberts wrote: I want to compare the results of the two sampling exercises in order to test the performance of the two sampling techniques. I would try

Re: [R-sig-eco] Multivariate ANOVA/repeated measures

2011-10-10 Thread Gavin Simpson
On Mon, 2011-10-10 at 15:32 -0600, Dave Roberts wrote: On 10/10/2011 02:15 PM, Gavin Simpson wrote: On Mon, 2011-10-10 at 09:11 -0700, Rich Shepard wrote: On Mon, 10 Oct 2011, Dave Roberts wrote: I want to compare the results of the two sampling exercises in order to test the