Dear Philippe,
Perhaps you could try a different graphics device (maybe
postscript). On my machine, the time differences were all 1
second rather than the 3 you reported. If 300s is really
too long for you, you could get a new computer or run your
script on a faster one.
Andrew C. Ward
CAPE Centre
Department of Chemical Engineering
The University of Queensland
Brisbane Qld 4072 Australia
[EMAIL PROTECTED]
Quoting Philippe Hup� <[EMAIL PROTECTED]>:
> hello,
>
> I use R1.7.1 under winXP and I am running the following
> script example :
>
>
> for (i in 1:10)
> {
> x <- rnorm(100)
> png( paste("D:/essai",i,".png",sep=""))
> plot(x)
> t1 <- Sys.time()
> dev.off()
> t2 <- Sys.time()
> print(t2-t1)
>
> }
>
> at each step, it takes about 3 seconds to shut down the
> graphic device.
> I want to generate about one hundred of image and of
> course it takes too
> much time. Is there any trick ?
>
> Philippe
>
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