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Colin Farrow

2000-Jul-28 14:29 UTC

[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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Yves Gauvreau

2000-Jul-28 15:51 UTC

head link

[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
> -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.
-.-.-> 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
>_._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._.
_._>
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Liaw, Andy

2000-Jul-28 17:13 UTC

head link

[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
> ----------
> 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
> >
> -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.
> -.-.-
> > 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
> >
> _._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._.
> _.
> _._
> >
> 
> -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.
> -.-.-
> r-help mailing list -- Read
> http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html
> Send "info", "help", or "[un]subscribe"
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r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html
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Richards, Tom

2000-Jul-28 19:40 UTC

head link

[R] gremlin in rep()

> -----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
> > >
> > 
> -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.
> -.-.-.-.-.-.
> > -.-.-
> > > 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
> > >
> > 
> _._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._.
> _._._._._._.
> > _.
> > _._
> > >
> > 
> > 
> -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.
> -.-.-.-.-.-.
> > -.-.-
> > 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
> > 
> _._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._.
> _._._._._._.
> > _._._
> > 
> -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.
> -.-.-.-.-.-.-.-.-
> 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
> _._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._.
> _._._._._._._._._
> -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-
r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html
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Richards, Tom

2000-Jul-28 21:06 UTC

head link

[R] gremlin in rep()

NO, sorry, I am using NT 4.0.  I guess I was confused by someone else's
writing Splus 2000.
Under NT 4.0, R 1.1.0, the following crashes R:
> rep(1:3, c(4,2,-6))
but I still do get this:
> rep(1:3,c(4,5,-6))[1] 1 1 1

and the following:
>  rep(1:3,c(2,5,-6))[1] 1

My apologies to the list.

> -----Original Message-----
> From: Yves Gauvreau [mailto:cyg at sympatico.ca]
> Sent: Friday, July 28, 2000 4:03 PM
> To: r-help
> Subject: Re: [R] gremlin in rep()
> 
> 
> 
> ----- Original Message -----
> From: "Richards, Tom" <richards at pci.upmc.edu>
> To: "'Liaw, Andy'" <andy_liaw at merck.com>;
"r-help"
> <r-help at stat.math.ethz.ch>; "'Yves Gauvreau'"
<cyg at sympatico.ca>
> Sent: Friday, July 28, 2000 3:40 PM
> Subject: RE: [R] gremlin in rep()
> 
> 
> >
> >
> > > -----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:
>                                                       ^^^^^^^^^^^^
> Did you mean Windows 2000?
> 
> YG
> 
> >
> > > 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
> > > > >
> > > >
> > > -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.
> > > -.-.-.-.-.-.
> > > > -.-.-
> > > > > 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
> > > > >
> > > >
> > > _._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._.
> > > _._._._._._.
> > > > _.
> > > > _._
> > > > >
> > > >
> > > >
> > > -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.
> > > -.-.-.-.-.-.
> > > > -.-.-
> > > > r-help mailing list -- Read
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> > > > Send "info", "help", or
"[un]subscribe"
> > > > (in the "body", not the subject !)  To:
> > > r-help-request at stat.math.ethz.ch
> > > >
> > > _._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._.
> > > _._._._._._.
> > > > _._._
> > > >
> > > -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.
> > > -.-.-.-.-.-.-.-.-
> > > r-help mailing list -- Read
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> > > (in the "body", not the subject !)  To:
> > > r-help-request at stat.math.ethz.ch
> > > _._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._.
> > > _._._._._._._._._
> > >
> >
> 
> -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.
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