On 11.06.2012 17:47, Duarte Viana wrote:
Hello all,
I am running the function "rda" of the vegan library, like I did many
times without having troubles, and I get the following error message:
"Error in if (rank) { : argument is not interpretable as logical".
I am just testing a response matrix against a single explanatory
matrix, which is the result of a model matrix with 4 dummy variables
(coding for a factor of 5 levels).
myrda<-rda(resp, expl)
When I change the response matrix, it goes well.
Does anyone know what might be happening?
Not without reproducible examples nor a traceback() of the error message.
Uwe Ligges
Thanks,
Duarte
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and provide commented, minimal, self-contained, reproducible code.
