[R] gremlin in rep()

[Richards, Tom]

> -----Original Message-----
> From: Liaw, Andy [mailto:andy_liaw at merck.com]
> Sent: Friday, July 28, 2000 1:13 PM
> To: r-help; 'Yves Gauvreau'
> Subject: RE: [R] gremlin in rep()
> 
> 
> This is what I got in Splus 2000:
> 
> > rep(1:3,c(4,5,-6))
> Error in rep.int: Negative values in "times" meaningless: 
> rep.int(x, times)
> 
> Seems like rep() is R is lacking some error traps.
> 
> Andy

That's interesting, because, under Splus 2000 (R 1.1.0), I get:

> rep(1:3,c(4,5,-6))
[1] 1 1 1

> 
> > ----------
> > From: 	Yves Gauvreau[SMTP:cyg at sympatico.ca]
> > Sent: 	Friday, July 28, 2000 11:51 AM
> > To: 	r-help
> > Subject: 	Re: [R] gremlin in rep()
> > 
> > I tried it on NT 4 SP 6 R-1.1.0 and it crashes too.
> > 
> > If you try rep(1:3, c(1,3)) you'll get:
> > 
> > Error in rep(1:3, c(1, 3)) : invalid number of copies in "rep"
> > 
> > It look's like R doesn't like the negative number in your 
> case. It would
> > be
> > nice if it would give the same error message in both case.
> > 
> > YG
> > 
> > ----- Original Message -----
> > From: "Colin Farrow" <c.farrow at compserv.gla.ac.uk>
> > To: "r-help" <r-help at stat.math.ethz.ch>
> > Sent: Friday, July 28, 2000 10:29 AM
> > Subject: [R] gremlin in rep()
> > 
> > 
> > > the following occurred inadvertently and brought R-1.1.0 down
> > >
> > > rep(1:3, c(4,2,-6))
> > > Segmentation Fault (core dumped)
> > >
> > > platform i686-pc-linux-gnu
> > > arch     i686
> > > os       linux-gnu
> > > system   i686, linux-gnu
> > > status
> > > major    1
> > > minor    1.0
> > > year     2000
> > > month    June
> > > day      15
> > > language R
> > > also on Solaris2.7
> > >
> > > --
> > > Colin Farrow
> > > Computing Service, University of Glasgow, Glasgow G12 8QQ
> > > Tel: 0141 330 4862, c.farrow at compserv.gla.ac.uk
> > >
> > 
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