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

Peter Dalgaard BSA p.dalgaard at biostat.ku.dk
Wed Oct 15 00:16:00 MEST 2003


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

> On Tue, 14 Oct 2003 hosking at 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 at biostat.ku.dk)             FAX: (+45) 35327907



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