Hi,
I think you want the following,
df <- data.frame(x=rnorm(100), y=rnorm(100))
plot(df)
legend("topright", title="Land Use Type", cex=0.75, pch=16,
col=c("red", "green"),legend=c("Urban", "green"), ncol=2)
I could not find a way to have a different text size for the title,
but it's easy to do in lattice or ggplot2.
Baptiste
On 23 Sep 2008, at 17:56, Steve Murray wrote:
Dear all,
I'm trying to create a legend for my graph. I hope to have the title
as "Land Use Type" and the two elements being "Urban" and "Rural"
with a red point and green point respectively. So far I have the
following command, but obviously it isn't correct:
legend("topright", title="Land Use Type", cex=0.75, pch=16,
col="red","Urban"&"green","Rural", ncol=2)
As you can see, I'm a bit confused as to how to deal with the point
colours and associated text.
Also, how would I make the associated text ("Urban" and "Rural")
smaller than the title?
Many thanks for any suggestions!
Steve
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Baptiste Auguié
School of Physics
University of Exeter
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EX4 4QL, UK
Phone: +44 1392 264187
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