On Sun, 28 Mar 2010, Duncan Murdoch wrote:
On 28/03/2010 9:03 AM, David Winsemius wrote:
On Mar 28, 2010, at 4:35 AM, ManInMoon wrote:
Is there a 64 bit R - and where can I get hold of it for Windows please?
For Windows XP?, Not that I know of. There are proprietary versions for
Vista and I believe Professor Ripley is working on an experimental version
for the 64 bit versions of Windows.
We're planning to release 64 bit builds with R 2.11.0. They are currently
being built as part of the test process, though the builds are still a little
irregular. You can download from <CRAN mirror>/bin/windows64/contrib for
now, and soon from <CRAN mirror>/bin/windows64/base.
The 64 bit versions of R will require a 64 bit version of Windows to run on.
I think there may be 64 bit versions of XP, but they are uncommon and I don't
Rare indeed: they are really personal versions of Server 2003 (using
that codebase, not XP's).
But as it happens one of my IT staff uses x64 XP on his personal
machine (he prefers XP to later versions of Windows) and has tested
the R pre-2.11.0 installer there.
know if they support our builds; we're testing in 64 bit Vista and Windows 7.
And Server 2008 (win-builder).
Revolution Computing also sells a build produced with a different compiler.
It has the advantage that the compiler is probably in better shape than the
one we are using
Pros and cons. Yes, their compiler is more mature and better tested,
but ours is a variant of gcc and a great deal of code (especially C++
in packages) is written for and tested on g++ and is more likely to
give the intended answers on the R-core build.
and they'll provide support with it; the disadvantage is that
they'll charge for it, and they are probably not as up to date as us
with respect to released version number.
--
Brian D. Ripley, rip...@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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