Message-ID: <Pine.LNX.4.64.0708151932240.31744@gannet.stats.ox.ac.uk>
Date: 2007-08-15T18:32:59Z
From: Brian Ripley
Subject: [Fwd: behavior of L-BFGS-B with trivial function triggers bug in stats4::mle]
In-Reply-To: <46C1FF19.7000003@biostat.ku.dk>
On Tue, 14 Aug 2007, Peter Dalgaard wrote:
> Ben Bolker wrote:
>> Petr Savicky <savicky <at> cs.cas.cz> writes:
>>
>>
>>
>>> Could you also include a script, which reproduces the problem? Just
>>> to see under which conditions the problem occurs and how it
>>> looks like exactly.
>>>
>>> Petr Savicky.
>>>
>>>
>>
>> The original post has such a script, just under the dashed line
>> and above the diff/patch. Sorry if I wasn't clear about that.
>>
>>
> Patch inserted in r-devel now.
And all optim() methods now work on zero-length 'par'.
--
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