Re: [R] graphical parameters: margins

From: Gavin Simpson <gavin.simpson_at_ucl.ac.uk>
Date: Tue 02 Jan 2007 - 16:44:11 GMT

On Tue, 2007-01-02 at 17:02 +0100, Ricardo Rodríguez - Your XEN ICT Team wrote:
> Hi all,
>
> Please, while using image() which is the graphical parameter which
> control the space between ylab and the y axis? I do need to write a
> number of relatively long y labels and I am not able the control, if
> possible, this space.
>
> See the effect I need to avoid...
>
> http://nvx.environmentalchange.net/@rrodriguez/images/overlapping.jpg
>
> Thanks for your help,
>
> Ricardo

Either of these two gives you the answer

> help.search("graphical parameters")
> RSiteSearch("graphical parameters margin")

more specifically, read ?par and in particular, the entry for parameter 'mar' and it's relatives.

You might also need to add the axis label separately from the figure:

opar <- par(mar = c(5,7,4,2) +0.1)
plot(1:10, ann = FALSE) # or plot(1:10, ylab = "") mtext("label", side = 2, line = 6)
par(opar)

  1. opar <- par(mar = c(5,7,4,2) +0.1) creates 7.1 lines on the left of the plot and saves defaults
  2. mtext("label", side = 2, line = 6) displays the axis label on line 6 to push it away from the plot axis. Repeat for other sides...
  3. par(opar) resets to the defaults.

HTH G

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Received on Wed Jan 03 03:48:22 2007

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