From: McGehee, Robert <Robert.McGehee_at_geodecapital.com>

Date: Thu 10 Mar 2005 - 05:17:06 EST

dev.off()

}

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R-help@stat.math.ethz.ch mailing list

https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html Received on Thu Mar 10 05:21:37 2005

Date: Thu 10 Mar 2005 - 05:17:06 EST

Use substitute() instead of expression(); choose to use either MYPLOT or
myplot because they are different variables; and use parentheses around
your function arguments instead of braces.

-----Original Message-----

From: Ronny Klein [mailto:ronny.klein@wiwi.uni-halle.de]
Sent: Wednesday, March 09, 2005 12:22 PM
To: Achim Zeileis

Cc: r-help@stat.math.ethz.ch

Subject: Re: [R] function in order to plot the same graph to postscript
and pdf

> > The myplot is something like this:

*> >
**> > plot(x)
**> > text(foo)
**>
**> Aha, I was surprised that this worked for one of the two plots.
**> You could pass myplot as an expression, e.g. myplot =
**> expression(plot(x)), and then eval() that in the body of plot.both().
*

I've followed your advice and changed my function to something like this:

plot.both <- function{myplot, filename}{

MYPLOT <- expression(myplot) pdf(file=paste(filename, ".pdf", sep="")) eval(myplot) dev.off() postscript(file=paste(filename, ".eps", sep="")) eval(myplot)

dev.off()

}

However the result is the same: the first one is actually printed but
the

second plot is empty.

Ronny

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https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide!

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R-help@stat.math.ethz.ch mailing list

https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html Received on Thu Mar 10 05:21:37 2005

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