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

Gavin Simpson gavin.simpson at ucl.ac.uk
Tue Oct 11 14:30:51 CEST 2011


On Mon, 2011-10-10 at 23:51 -0700, Steve Pawson wrote:
> 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?

It is almost impossible to answer that without a lot more information.
For starters, what does traceback() say when run immediately *after* you
get the error?

G

> Many thanks for any help provided.
> 
> Regards
> 
> Steve
> 
> --
> View this message in context: http://r.789695.n4.nabble.com/Vegan-Anova-CCA-accessing-original-data-using-option-by-margin-tp3893005p3893005.html
> Sent from the R help mailing list archive at Nabble.com.
> 
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