R help - Jul 2009 - diagram package graph margins

Hi,
I'm using the diagram package to make some graph networks.But the plot
window seems to have some kind of margin thats not letting the graph use
entire plot space.How do i remove this?

-- 
Rajesh.J

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Rajesh,
 
To change the margins, use par(mar)::
 
  M <- matrix(nrow=4,ncol=4,data=0)
  M[2,1]<-1  ;M[4,2]<-2;M[3,4]<-3;M[1,3]<-4

 par (mar=c(0,0,0,0))
   pp<-plotmat(M,pos=c(1,2,1),curve=0.)
 
Karline

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