Nice, Uwe.
Small correction: make that nrow=4:
x1 <- as.numeric(rbind(matrix(rep(x, each=2), nrow=4), NA))
-Peter Ehlers
Uwe Ligges wrote:
On 11.02.2010 22:38, Tim Clark wrote:
Dear List,
I am trying to plot several separate polygons on a graph. I have
figured out how to do it by manually, but have too much data to use
such a tedious method. I would appreciate your help. I have made a
simple example to illustrate the problem. How can I get x into the
proper format (x1)?
#Sample data
x<-c(1,2,3,4,5,6)
y<-c(1,2,2,1)
#I need to format the data like this
x1<-c(1,1,2,2,NA,3,3,4,4,NA,5,5,6,6,NA)
y1<-rep(c(1,2,2,1,NA),length(x)/2)
x1 <- as.numeric(rbind(matrix(rep(x, each=2), nrow=2), NA))
Uwe Ligges
#Final plot
plot(c(1,6), 1:2, type="n")
polygon(x1,y1,density=c(40))
Thanks,
Tim
Tim Clark
Department of Zoology
University of Hawaii
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______________________________________________
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PLEASE do read the posting guide
http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
--
Peter Ehlers
University of Calgary
______________________________________________
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and provide commented, minimal, self-contained, reproducible code.
