[R] Formatting question for separate polygons

[Peter Ehlers]

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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>> PLEASE do read the posting guide 
>> http://www.R-project.org/posting-guide.html
>> and provide commented, minimal, self-contained, reproducible code.
> 
> ______________________________________________
> 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.
> 
> 

-- 
Peter Ehlers
University of Calgary