Message-ID: <16024549.post@talk.nabble.com>
Date: 2008-03-13T10:46:30Z
From: Tom La Bone
Subject: Specifying relative position of text in a plot
In-Reply-To: <B998A44C8986644EA8029CFE6396A9240100CD28@exqld2-bne.nexus.csiro.au>
Thanks for all of the suggestions. The key key here seems to be using the
"par" function to change the coordinate system like so
plot(rnorm(100), rnorm(100))
op <- par("usr")
par(usr = c(0, 1, 0, 1))
text(0.5,0.5,"TEST")
par(usr = op)
Prof Ripley commented that this approach will also work on log plots, but I
don't think I completely understand what is going on because this does not
work for me
plot(rlnorm(100), rlnorm(100),log="xy")
op <- par("usr")
par(usr = c(0, 1, 0, 1))
text(0.5,0.5,"TEST")
par(usr = op)
Any hints on what I am doing wrong with the log plots? Thanks again for the
help.
Tom
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