[R] Vegan: Anova.CCA accessing original data using option by="margin"

Steve Pawson Steve.Pawson at scionresearch.com
Tue Oct 11 08:51:33 CEST 2011


Hello,

I am attempting to use the ANOVA.CCA function with the by="margin" option.
The process works fine using the by="terms" option and I note in the Vegan
manual that Jari suggests that an error may occur if the anova does not have
access to the data on the original constraints.

This is the error that I get:

Error in dimnames(x) <- dn : 
  length of 'dimnames' [2] not equal to array extent

My question is, does anyone know if this error relates to what Jari is
referring to (or is it a different problem), and if it is, how do I link the
anova to the original constraints?

Many thanks for any help provided.

Regards

Steve

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