[R] How do i print a "main title" on a win.graph with several plots?

Prof Brian Ripley ripley at stats.ox.ac.uk
Wed Aug 22 12:15:41 CEST 2007

?title, look at the 'outer' argument.

You can see further discussion of the outer margins in 'An Introduction to 

I don't know why you are using win.graph(): it is a deprecated form of 
windows() with many of the arguments taking unchangable defaults.

On Wed, 22 Aug 2007, Tom Willems wrote:

> Good Mornig All,
> How R you today? ;o)
> I have lots of questions, but i l start with the simplest one,
> to wich i am shy to say, i did not find the answer.
> It is the following:
> When i make a summary plot like for example plot( summary(glm)),
> i get one window, one main title, and 4 graph's in that window.
> Now i do know how to get several graphs in one window,
> buit i don't manage geting one main title , in the top middel of the
> window.
> I can give every plot a different main and subtitle, but i can't put no
> title in the "win.graph()" box.
> this is what i do:
> win.graph();   op <- par(mfrow = c(1,2))
> boxplot(lg_value~labo, main="Test 1 at day 1",ylab="log(x) ",
> xlab="different lab's", data=dataset,ylim=c(-0.05,5))
> boxplot(lg_value~labo, main="Test 2 at day 1",ylab="log(x)",
> xlab="different lab's", data=dataset,ylim=c(-0.05,5))
> par(op);
> Then i get one graph window, two plots each with their onw main title.
> What i'd like to have is, one main title saying " At day 1", and then two
> plots with the different tests.
> How can i do this, pls?
> Kind regards,
> Tom W.
> Disclaimer: click here
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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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