R help - Jan 2001 - Auto Demonstration...

Dear List,

Suppose I want to do a demonstration with R, which I will be showing a couple of
different graphs (e.g. demo(graphics) ).  However I want R to run through each
graphics automatically.  I can achieve this by changing the line in
demo(graphics):
    opar <- par(ask = interactive() &&
            (.Device %in% c("X11", "GTK",
"windows", "Macintosh")))
to
    opar <- par(ask = FALSE &&
            (.Device %in% c("X11", "GTK",
"windows", "Macintosh")))

However, I am not sure how I can delay the speed of changing between graphs.  In
other words, as soon as R finish painting one graph, it will start painting the
next one immediately.  What can I do to make R wait for, say 5 seconds, before
it start painting the next graph?

Thanks a lot,

Ko-Kang Wang
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You could use Sys.sleep(5) between each of your plots.

Yves Gauvreau
B.E.F.P. Universite du Quebec a Montreal
cyg at sympatico.ca

-----Message d'origine-----
De : owner-r-help at stat.math.ethz.ch
[mailto:owner-r-help at stat.math.ethz.ch]De la part de Ko-Kang at xtra.co.nz
Envoye : Tuesday, January 09, 2001 10:31 PM
A : R Help
Objet : [R] Auto Demonstration...


Dear List,

Suppose I want to do a demonstration with R, which I will be showing a
couple of different graphs (e.g. demo(graphics) ).  However I want R to run
through each graphics automatically.  I can achieve this by changing the
line in demo(graphics):
    opar <- par(ask = interactive() &&
            (.Device %in% c("X11", "GTK",
"windows", "Macintosh")))
to
    opar <- par(ask = FALSE &&
            (.Device %in% c("X11", "GTK",
"windows", "Macintosh")))

However, I am not sure how I can delay the speed of changing between graphs.
In other words, as soon as R finish painting one graph, it will start
painting the next one immediately.  What can I do to make R wait for, say 5
seconds, before it start painting the next graph?

Thanks a lot,

Ko-Kang Wang

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