From p.dalgaard at biostat.ku.dk  Wed Oct 15 00:16:00 2003
From: p.dalgaard at biostat.ku.dk (Peter Dalgaard BSA)
Date: Wed Oct 15 00:12:57 2003
Subject: [Rd] NA %*% 0 == 0 (PR#4582)
In-Reply-To: <Pine.A41.4.58.0310141444190.143272@homer34.u.washington.edu>
References: <200310141944.h9EJiB0P012013@pubhealth.ku.dk>
	<Pine.A41.4.58.0310141444190.143272@homer34.u.washington.edu>
Message-ID: <x2r81fea8v.fsf@biostat.ku.dk>

Thomas Lumley <tlumley@u.washington.edu> writes:

> On Tue, 14 Oct 2003 hosking@watson.ibm.com wrote:
> 
> > Full_Name: J . R. M. Hosking
> > Version: 1.8.0
> > OS: Windows 2000
> > Submission from: (NULL) (129.34.20.23)
> >
> >
> > On R 1.8.0 (and on R 1.5.1), Windows binary:
> >
> > > NA %*% 0
> >      [,1]
> > [1,]    0
> >
> > This is surprising.  Is it a bug?  Note that
> >
> 
> I think it's a bug. It doesn't seem to happen on Linux or OS X, though.

Does for me (RedHat, R 1.8.0 and 1.7.0).


-- 
   O__  ---- Peter Dalgaard             Blegdamsvej 3  
  c/ /'_ --- Dept. of Biostatistics     2200 Cph. N   
 (*) \(*) -- University of Copenhagen   Denmark      Ph: (+45) 35327918
~~~~~~~~~~ - (p.dalgaard@biostat.ku.dk)             FAX: (+45) 35327907


[Rd] NA %*% 0 == 0 (PR#4582)
Peter Dalgaard BSA