Gregory (Greg) L. Snow Ph.D.
Statistical Data Center
Intermountain Healthcare
greg.snow at imail.org
(801) 408-8111
> -----Original Message-----
> From: r-help-bounces at r-project.org
> [mailto:r-help-bounces at r-project.org] On Behalf Of Prof Brian Ripley
> Sent: Wednesday, March 12, 2008 9:13 AM
> To: Tom La Bone
> Cc: r-help at r-project.org
> Subject: Re: [R] Specifying relative position of text in a plot
>
> See ?par, entry "usr". Either set a new coordinate system and
> use it, or convert 1/10 to user coordinates.
>
> In R-devel (2.7.0 to be) this is easier:
>
> text(grconvertX(0.1,"npc"), grconvertY(0.5, "npc"), "some text")
>
> cnvrt.coords() in package TeachingDemos does something
> similar (although it doesn't use the standard R names for
> coordinate systems, and there are more than 5).
>
> On Wed, 12 Mar 2008, Tom La Bone wrote:
>
> >
> > What is the simplest way to specify the location of text in
> a scatter
> > plot (created using the plot function) in relative terms
> rather than
> > specific x-y coordinates? For example, rather than putting text at
> > (300,49) on a plot, how do I put it 1/10 of the way over from the y
> > axis and 1/2 of the way up from the x axis? Thanks.
> >
> > Tom
>
>
> --
> Brian D. Ripley, ripley at stats.ox.ac.uk
> Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/
> University of Oxford, Tel: +44 1865 272861 (self)
> 1 South Parks Road, +44 1865 272866 (PA)
> Oxford OX1 3TG, UK Fax: +44 1865 272595
>
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