From ripley at stats.ox.ac.uk  Wed Jun  4 08:47:26 2003
From: ripley at stats.ox.ac.uk (Prof Brian Ripley)
Date: Wed Jun  4 08:47:49 2003
Subject: [Rd] standard errors from glm (PR#3180)
In-Reply-To: <Pine.A41.4.44.0306031644340.23688-100000@homer13.u.washington.edu>
Message-ID: <Pine.LNX.4.44.0306040745520.25436-100000@gannet.stats>

On Tue, 3 Jun 2003, Thomas Lumley wrote:

> On Wed, 4 Jun 2003 mcneney@db.math.sfu.ca wrote:
> 
> >
> > The QR decomposition being returned by glm.fit uses the fitted values from
> > parameter estimates at the (final-1)st iteration. But don't we want
> > fitted values from parameter estimates at the final iteration?
> > I tried inserting the following lines upon completion of the iterative
> > weighted least squares loop:
> >
> 
> Well, yes, perhaps.  OTOH it's a whole lot easier just to tighten the
> tolerance for convergence, which has been done for 1.7.1

For 1.8.0, in fact.

-- 
Brian D. Ripley,                  ripley@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)
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[Rd] standard errors from glm (PR#3180)
Prof Brian Ripley