Hi Andrea,
I have run the code you posted without problems.
In this moment, I'm using R 3.3.2 x64 on a Windows machine.
The geiger version I tried this on is geiger_2.0.6.
You might wanna try also posting the question on the list R-sig-phylo as a lot of people developing R packages for phylogenetic comparative approaches are subscribers there (and that's why I'm answering to you publicly).
Best,
Carmelo

andrea cardini <alcard...@gmail.com> ha scritto:

Dear All,

I've just tried the rescale function in geiger on my data and got an error message. As I have no experience with it, I tried the first example for this function in the help: same error message (see below).

Has anyone had similar issues? Probably I made some silly mistake.

Thanks in advance for your feedback.

Cheers


Andrea


geo <- get(data(geospiza))
ltrns <- rescale(geo$phy, "lambda")
plot(ltrns(0))
title("lambda: 0.0")

Error message:

Error in rescale(as.numeric(x, range = range, domain = domain, ...)) :
  (list) object cannot be coerced to type 'double'


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Dr. Andrea Cardini
Researcher, Dipartimento di Scienze Chimiche e Geologiche, Università di Modena e Reggio Emilia, Via Campi, 103 - 41125 Modena - Italy
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Adjunct Associate Professor, School of Anatomy, Physiology and Human Biology, The University of Western Australia, 35 Stirling Highway, Crawley WA 6009, Australia

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Carmelo Fruciano
Postdoctoral Fellow - Queensland University of Technology - Brisbane, Australia
Honorary Fellow - University of Catania - Catania, Italy
e-mail c.fruci...@unict.it
http://www.fruciano.it/research/

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