Re: [Rd] Is this a problem with methods??

From: Prof Brian Ripley <>
Date: Fri 27 Aug 2004 - 17:04:17 EST

Does your package have methods in the Depends: line in its DESCRIPTION file?

Are its data files self-sufficient (that is work without either the package or methods being loaded)?

R-devel is under development and before release we will make detailed advice available to developers. But see the draft at

It's almost certainly a problem with your package not loading methids when it needs to.

On Thu, 26 Aug 2004, Gustavo Corral wrote:

> Dear R-devel list members,
> we have developed a package and it works perfect in R 1.9.1 but when we
> prooved with R-devel we get the next output from the R CMD check:
> Error in eval(expr, envir, enclos) : couldn't find function "@<-"
> Execution halted
> ERROR: installing package indices failed
> ** Removing '/home/pgomez/genArise.Rcheck/genArise'
> Installation failed.
> We think this is a problem with methods, but we can't find how to
> correct it and we are stuck. I do not have the source code now to be
> more specific but maybe an error is obvious. I will send a new mail
> tomorrow with more details.

Brian D. Ripley,        
Professor of Applied Statistics,
University of Oxford,             Tel:  +44 1865 272861 (self)
1 South Parks Road,                     +44 1865 272866 (PA)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595

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