[R] Creating a Legend

John Fox jfox at mcmaster.ca
Tue Sep 23 20:09:33 CEST 2008


Dear Steve,

Try

legend("topright", title="Land Use Type", cex=0.75, pch=16, 
  col=c("red", "green"), legend=c("Urban", "Rural"), ncol=2)

I hope this helps,
 John

------------------------------
John Fox, Professor
Department of Sociology
McMaster University
Hamilton, Ontario, Canada
web: socserv.mcmaster.ca/jfox


> -----Original Message-----
> From: r-help-bounces at r-project.org [mailto:r-help-bounces at r-project.org]
On
> Behalf Of Steve Murray
> Sent: September-23-08 12:57 PM
> To: r-help at r-project.org
> Subject: [R] Creating a Legend
> 
> 
> 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
> 
> _________________________________________________________________
> Discover Bird's Eye View now with Multimap from Live Search
> 
> ______________________________________________
> R-help at r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide
http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.



More information about the R-help mailing list