From tlumley@u.washington.edu  Mon Dec  9 23:28:02 2002
From: tlumley@u.washington.edu (Thomas Lumley)
Date: Mon Dec  9 23:28:02 2002
Subject: [Rd] win/pentium 4 (was: can this happen?)
In-Reply-To: <Pine.A41.4.44.0212091321510.179436-100000@homer41.u.washington.edu>
Message-ID: <Pine.A41.4.44.0212091425520.12842-100000@homer17.u.washington.edu>

On Mon, 9 Dec 2002, Thomas Lumley wrote:

>
> I reported an inconsistency in results in the same R program run on
> different Windows computers and received some suggestions
>
> It isn't due to the version of msvcrt.dll (Peter Dalgaard & Brian Ripley)
> and isn't fixed by Duncan Murdoch's patches to windows R.
>
> More experimentation has shown that the set of results I like less
> (involving internal error reports from optim()) happens on 3 out of 3
> Pentium 4 machines, and not on 2 Pentium 3s (or on a dual Athlon under
> Linux).
>

Using Rterm instead of Rgui seems to fix the optim() errors (in one
example on one machine, so far).


	-thomas



[Rd] win/pentium 4 (was: can this happen?)
Thomas Lumley