[R] Summary --- Local library under Windoze.
Prof Brian Ripley
ripley at stats.ox.ac.uk
Fri Sep 1 19:24:27 CEST 2006
install.packages() in R 2.4.0 will make a full path out of a relative
path, to avoid any confusion. (normalizePath is a good way to do that,
On Fri, 1 Sep 2006, Rolf Turner wrote:
> Prof. Brian Ripley solved the problem. He wrote:
> > I was not aware that this works with relative paths for any version
> > of R. Try using a full path, which always works for me.
> I tried it using a full path, and bingo! It worked
> like a charm.
> Under Unix the relative path also works, but.
> Prof. Ripley also remarked:
> > If indeed your filesystem is readonly, you will have problems in
> > spades. But is that box just dark and not ticked? (That's a lovely
> > Windows gotcha that has caught people here many times.)
> That box was indeed just dark and not ticked. I was got!
> James W. MacDonald suggested:
> > I don't think this is how you should do things, since R won't know
> > about this library path. Instead, you should use .libPaths() to set
> > your library path and then install using that. Note that you will
> > likely need to put a call to .libPaths() into a .Rprofile file in
> > order to have this set on startup.
> > > dir.create("C:/Documents and Settings/Jim/newlib")
> > > .libPaths("C:/Documents and Settings/Jim/newlib")
> > > install.packages("zoo")
> > Then you can use install.packages("packagename", lib = .libPaths())
> > if you want to use the 'stock' library directory, or just
> > install.packages("packagename") to use your private one.
> This is a red herring. The install.packages() function
> does not care if the specified folder is in the library
> path. I experimented to verify this. The crucial thing,
> as Prof. Ripley suggested, is --- under Windoze --- to
> specify the full pathname of the library into which you wish
> to install the package.
> [Perhaps this might be mentioned in the documentation for
> install.packages() --- to save future grief for dweebs
> like myself.]
> It is indeed correct that R won't know about this library
> if it is not in the library path, but you can *tell* it
> about this library:
> (where ``lnilp'' means ``library not in library path'').
> BTW, lib.loc can be specified by the *relative* path name,
> with no problem.
> Thanks to all.
> Rolf Turner
> rolf at math.unb.ca
> R-help at stat.math.ethz.ch mailing list
> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
Brian D. Ripley, ripley at stats.ox.ac.uk
Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/
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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