Message-ID: <Pine.WNT.4.40.0202041433290.480-100000@tern.stats>
Date: 2002-02-04T14:34:23Z
From: Brian Ripley
Subject: option singular.ok = TRUE in fuction lm
In-Reply-To: <3C5EA675.BD491CBF@psy.uni-muenchen.de>
On Mon, 4 Feb 2002, Sven Garbade wrote:
> Hi all,
>
> what does the option singular.ok in funtion lm() means? I took a look in
> the help page of lm() and found:
>
> singular.ok logical, defaulting to TRUE. FALSE is not yet
> implemented.
Right. In S, it defaults to F, and means that lm refuses to fit a
reduced-rank model. R always will (and have NA components in the
coefficients).
--
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 272860 (secr)
Oxford OX1 3TG, UK Fax: +44 1865 272595
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