From kleiweg@let.rug.nl  Tue Dec 18 12:12:16 2001
From: kleiweg@let.rug.nl (Peter Kleiweg)
Date: Tue, 18 Dec 2001 13:12:16 +0100 (CET)
Subject: [Rd] isoMDS: core dump (PR#1221)
In-Reply-To: <Pine.LNX.4.31.0112181143230.21228-100000@gannet.stats>
Message-ID: <Pine.LNX.4.33.0112181301270.423-100000@kleigh.nl>

Prof Brian Ripley scribeva...

> > > > Package: MASS
> > > > Version: 6.2-8
> > >
> > > Not current.

I installed VR_6.2-10 and got the identical result

> > > > I get a core dump when I call isoMDS with an incorrect argument
> > > > for y. With d as an object of class "dist":
> > > >
> > > >   > isoMDS(d,2)
> > > >
> > > >   Program received signal SIGSEGV, Segmentation fault.
> > > >   0x40229e43 in VR_mds_init_data () at MASS.c:157
> > >
> > > So don't!
> >
> > So don't what?
>
> Don't call isoMDS with an argument that is not as documented.

This is not the first time I get the impression you don't really
want us to report problems. I am not submitting a bug report
demanding a fix. I am submitting a bug report to help you.

IMHO a segmentation fault is a bug, whatever errors the user
makes.

-- 
Peter Kleiweg
http://www.let.rug.nl/~kleiweg/

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[Rd] isoMDS: core dump (PR#1221)
Peter Kleiweg