From osklyar at maninvestments.com  Fri Jun 27 16:33:45 2008
From: osklyar at maninvestments.com (Sklyar, Oleg (MI London))
Date: Fri, 27 Jun 2008 15:33:45 +0100
Subject: [Rd] plot(type="l") disjoint between 100 and 101st datapoint
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Message-ID: <1A68FCB28DE72F4BA3B967E6506CCE430304956E@mildnpexmb01.maninvestments.ad.man.com>

No, it does not happen here and I tested other ranges as well.

Dr Oleg Sklyar
Technology Group
Man Investments Ltd
+44 (0)20 7144 3803
osklyar at maninvestments.com 

> -----Original Message-----
> From: Richard Martin [mailto:radiosity at gmail.com] 
> Sent: 27 June 2008 15:32
> To: Sklyar, Oleg (MI London)
> Cc: r-devel at r-project.org
> Subject: Re: [Rd] plot(type="l") disjoint between 100 and 
> 101st datapoint
> 
> Hi Dr Sklyar,
> 
> This is interesting to know - I have just noticed that it 
> also happens every 100 points, there is another disjoint 
> between 200 and 201. I have attached a file showing this.
> 
> The file was created using the following code:
> 
> > png("disjoint2.png")
> > plot(1:210, type="l")
> > dev.off()
> 
> Regards,
> 
> Richard
> 
> 
> 
> 2008/6/27 Sklyar, Oleg (MI London) <osklyar at maninvestments.com>:
> > I do not see any disjoint on 2.7.0 patched (r45879) or 2.8.0 devel
> > (r45830) on RHEL5 64bit.
> >
> > Dr Oleg Sklyar
> > Technology Group
> > Man Investments Ltd
> > +44 (0)20 7144 3803
> > osklyar at maninvestments.com
> >
> >> -----Original Message-----
> >> From: r-devel-bounces at r-project.org
> >> [mailto:r-devel-bounces at r-project.org] On Behalf Of Richard Martin
> >> Sent: 27 June 2008 12:38
> >> To: r-devel at r-project.org
> >> Subject: [Rd] plot(type="l") disjoint between 100 and 
> 101st datapoint
> >>
> >> Dear All:
> >>
> >> We have been experiencing networking issues so I don't 
> know if this 
> >> got through; I can't see it in the archive.  My sincere 
> apologies if 
> >> this appears twice.
> >>
> >> I may have found an unusual bug and am posting here to see 
> if anyone 
> >> can reproduce it on their system. First of all, sessionInfo():
> >>
> >> > sessionInfo()
> >> R version 2.7.1 (2008-06-23)
> >> i386-apple-darwin8.10.1
> >>
> >> locale:
> >> en_GB.UTF-8/en_GB.UTF-8/C/C/en_GB.UTF-8/en_GB.UTF-8
> >>
> >> attached base packages:
> >> [1] stats     graphics  grDevices utils     datasets  
> methods   base
> >>
> >> The bug is in the plot() command; it does not draw the 
> line between 
> >> the 100th and 101st point in a dataset when plotting in line mode 
> >> (type="l").
> >>
> >> plot(1:102, type="l") reproduces the problem consistently on my 
> >> machine, on both png and quartz devices. The result of 
> saving this to 
> >> the png device by the code below can be seen at 
> >> http://imagebin.ca/view/txKBk2M.html
> >>
> >> > png(filename="disjoint.png")
> >> > plot(1:102, type="l")
> >> > dev.off()
> >> quartz
> >>     2
> >>
> >> I had a look through the archives but couldn't see any 
> discussion of 
> >> this; apologies if I missed it. Is this purely a mac issue?
> >> Unfortunately I don't have any other machines to test it on.
> >>
> >> Kind regards,
> >>
> >> Richard Martin
> >>
> >>
> >>
> >>
> >> --
> >> Contendere, Explorare, Invenire, et non Cedere
> >>
> >>
> >>
> >> --
> >> Contendere, Explorare, Invenire, et non Cedere
> >>
> >> ______________________________________________
> >> R-devel at r-project.org mailing list
> >> https://stat.ethz.ch/mailman/listinfo/r-devel
> >>
> >
> >
> > 
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> 
> --
> Contendere, Explorare, Invenire, et non Cedere
> 



[Rd] plot(type="l") disjoint between 100 and 101st datapoint
Sklyar, Oleg (MI London