Message-ID: <Pine.GSO.4.05.10011300934250.17423-100000@toucan.stats>
Date: 2000-11-30T09:36:04Z
From: Brian Ripley
Subject: g-inverse
In-Reply-To: <l03130302b64bcb72d10b@[153.1.53.97]>
On Thu, 30 Nov 2000, Tapio Nummi wrote:
> Is there any routine to obtain a g-inverse
> of a matrix in R or S-PLUS?
A g-inverse is not, as far as I know, 100% uniquely defined. However,
ginv in package MASS has the Moore-Penrose version.
--
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
-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-
r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html
Send "info", "help", or "[un]subscribe"
(in the "body", not the subject !) To: r-help-request at stat.math.ethz.ch
_._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._