Message-ID: <Pine.LNX.4.64.0602281544300.15960@gannet.stats.ox.ac.uk>
Date: 2006-02-28T15:45:57Z
From: Brian Ripley
Subject: Stepwise with AICc
In-Reply-To: <1141140144.44046ab03af64@imapwww.epfl.ch>
stepAIC uses extractAIC to calculate AIC. So all that is in principle
necessary is to modify extractAIC to return AICc.
On Tue, 28 Feb 2006, flavio.zanini at epfl.ch wrote:
> Hi,
>
> I would like to uses AIC.c criterion in stepwise selection. I found some
> comments about this issue in R help archives, and it seems that no standard
> scripts are available. Except from www.prodsyse.com (stepAIC.c), but,
> unfortunately, demanding adaptations for R.
>
> Suggestions on this will be very much appreciated
>
> regards
> Flavio Zanini
>
>
>
--
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