From s.blomberg1 at uq.edu.au  Mon Jun 23 08:58:17 2008
From: s.blomberg1 at uq.edu.au (Simon Blomberg)
Date: Mon, 23 Jun 2008 16:58:17 +1000
Subject: [Rd] R truncated regularized iteratively re-weighted
	least	squares (TR-IRLS)
In-Reply-To: <20080622175844.505048B31C@xprdmxin.myway.com>
References: <20080622175844.505048B31C@xprdmxin.myway.com>
Message-ID: <1214204297.28042.28.camel@sib-sblomber01d.sib.uq.edu.au>

R can already do IRLS, conjugate gradient optimisation and ridge
regression, so pulling all of them together may not be too hard. Care to
contribute any code?

Cheers,

Simon.

On Sun, 2008-06-22 at 13:58 -0400, DS wrote:
> Hi,
> 
> is there any R version of
> 
> logistic regression implementation using  truncated regularized iteratively re-weighted least squares (TR-IRLS) ?
> 
> if not can someone create it as this seems to be an important advancement of logistic regression.
> 
> 
> 
> thanks
> 
> D
> 
> http://autonlab.org/autonweb/10538.html
> 
> ______________________________________________
> R-devel at r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-devel
-- 
Simon Blomberg, BSc (Hons), PhD, MAppStat. 
Lecturer and Consultant Statistician 
Faculty of Biological and Chemical Sciences 
The University of Queensland 
St. Lucia Queensland 4072 
Australia
Room 320 Goddard Building (8)
T: +61 7 3365 2506
http://www.uq.edu.au/~uqsblomb
email: S.Blomberg1_at_uq.edu.au

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2.  Your deadline is your problem.

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an answer does not ensure that a reasonable answer can 
be extracted from a given body of data. - John Tukey.



[Rd] R truncated regularized iteratively re-weighted least squares (TR-IRLS)
Simon Blomberg