Thanks to the advice from Brian, the next version of Rattle (2.6.7) will
have the two bugs fixed. Then your launcher will simply need to be:
sh -c 'R_DEFAULT_PACKAGES="rattle" R "$@"'
Regards,
Graham
On 16 April 2011 20:57, Iurie Malai <iurie.ma...@gmail.com> wrote:
> Thank you!
> Your code worked!
>
> I tested all the combinations and this shows that, in addition to the
> 'rattle', in this launcher code the 'utils' package is required, otherwise
> 'rattle' do not launch. Without all other packages 'rattle' starts very
> well. But what will be better, the inclusion or not of the 'datasets',
> 'grDevices', 'graphics', 'stats' and 'methods' packages in this launcher
> code? I do not understand if they are needed for proper functioning of the
> 'rattle'.
>
> Regards,
> Iurie
>
>
> 2011/4/16 Prof Brian Ripley
>
> > This is a result of bugs in rattle.
> >
> > The first bug is that you are explicitly asked on its help page not to
> use
> > installed.packages() in that way.
> >
> > Second, packages should be able to be loaded in a session with just base
> > loaded, so rattle's startup code should have utils::installed.packages().
> > (In this case it is invoked from rattle(), AFAICS, hence not invoked in
> the
> > loading tests in R CMD check.)
> >
> > However, your startup code is wrong: from ?options
> >
> > defaultPackages: the packages that are attached by default when
> > R starts up. Initially set from value of the environment
> > variable R_DEFAULT_PACKAGES, or if that is unset to
> > c("datasets", "utils", "grDevices", "graphics", "stats",
> > "methods"). (Set R_DEFAULT_PACKAGES to NULL or a
> > comma-separated list of package names.)
> > ^^^^^^^^^^^^^^^
> >
> > And by default, R_DEFAULT_PACKAGES is unset. Try
> >
> > sh -c
> 'R_DEFAULT_PACKAGES="datasets,utils,grDevices,graphics,stats,rattle"
> > R "$@"'
> >
> > (You may or may not need 'methods' as well.)
> >
> >
>
> [[alternative HTML version deleted]]
>
>
> ______________________________________________
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> PLEASE do read the posting guide
> http://www.R-project.org/posting-guide.html
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>
>
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