[R] Error message

[Jeff Newmiller]

That is unlikely in the absence of a reproducible example [1].

[1] http://stackoverflow.com/questions/5963269/how-to-make-a-great-r-reproducible-example
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Sent from my phone. Please excuse my brevity.

"Havenga, BS, Mnr <15264831 at sun.ac.za>" <15264831 at sun.ac.za> wrote:

>Hi there
>
>I am a Masters student at the University of Stellenbosch. I have been
>using R to analyze the data, using the GLS model, of one of my
>experiments.
>The problem that I am having is that whenever I run my model using:
>fit.glsmodel1<-gls(Number~as.factor(Season)+as.factor(Depth)+as.factor(Orientation),
>data=Number, weights=varPower(), method="ML")
>
>I get the error:
>Error in glsEstimate(object, control = control) :    computed "gls" fit
>is singular, rank 8
>
>I would like to know if anyone can tell me what is causing this error.
>Any advice will be much appreciated.
>
>Kind regards
>Brendan
>
>	[[alternative HTML version deleted]]
>
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