Thanks very much for your response Jari,

Is good to know from you that there is nothing to worry. I'll surely check
the plots. Taking the opportunity I also like to inform that in newer
versions of the package (I was using 1.17-1) there are no warnings. After an
advice from Mr. Marcus Cianciaruso I updated vegan and no warnings were
shown.
Sincerely,
Conrado Galdino



2010/8/18 Jari Oksanen <jari.oksanen@oulu.fi>

> On 18/08/10 21:19 PM, "Conrado Galdino" <galdinoc@gmail.com> wrote:
>
> > Hi everybody.
> > I want to draw an abundance rank diagram but I'm getting some warnings
> > (bellow) when I run the radfit() comand of vegan package. I'll be very
> > grateful is someone can help me. I'm using the following data and
> commands:
> >
> > fevc=c(2,1,2,57,1,24,6,7,6,2,155,155,140)
> >> rad=radfit(fevc)
> > Houve 20 avisos (use warnings() para vÃª-los)
> >
> Conrado,
>
> It seems that you tried to draw a straight line using the Mandelbrot model,
> and this gave you one coefficient that was Inf and two that were of
> magnitude 10^8. That's the warning. That's life, but no reason to worry.
>
> You can see this by looking and plotting the results.
>
> Cheers, Jari Oksanen
>
>


-- 
Conrado A. B. Galdino
--

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