there's also Rgraphviz, although with 30,000+ edges it may not survive
*this* graph :-)
On Tue, Mar 27, 2012 at 4:11 AM, Whit Armstrong wrote:
> if you don't mind going outside of R to create it, then check out
> Graphviz: http://www.graphviz.org/Gallery.php
>
> you may have to reformat your data a little, but this tool is great
> for drawing graphs.
>
> -Whit
>
>
> On Tue, Mar 27, 2012 at 5:14 AM, MSousa wrote:
> > Good morning,
> >
> >
> > I'm trying to draw a graph, and I'm using the following code.
> >
> > test.matrix<-read.table("~/Desktop/Results/testgephi.csv", header = T,
> > sep=",")
> > colnames(test.matrix) <- gsub("X", "", colnames(test.matrix))
> > #drop first column
> > drops <- c("")
> > test.matrix<-test.matrix[,!(names(test.matrix) %in% drops)]
> > test.matrix
> > test.matrix<-data.matrix(test.matrix)
> > am.graph<-new("graphAM", adjMat=test.matrix, edgemode="directed")
> > am.graph
> > plot(am.graph, attrs = list(node = list(fillcolor = "lightblue"),edge =
> > list(arrowsize=0.5)))
> >
> >
> > The file testgephi.csv is following.
> > "","1","2","3","4","5"
> > "1",393,55,66,44,88
> > "2",44,23,47,57,89
> > "3",57,87,98,456,43
> > "4",77,767,86,32,77
> > "5",43,88,23,76,46
> >
> > In the example graph of the drawing works well, the problem is when I'm
> > trying to draw the graph from a file wih A graphAM graph with directed
> edges
> > Number of Nodes = 217
> > Number of Edges = 32804
> >
> > is there any package or tool that can draw a structure like this
> >
> >
> > Thanks
> >
> >
> > --
> > View this message in context:
> http://r.789695.n4.nabble.com/drawing-the-graph-with-many-nodes-tp4508319p4508319.html
> > Sent from the R devel mailing list archive at Nabble.com.
> >
> > ______________________________________________
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>
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>
--
*A model is a lie that helps you see the truth.*
*
*
Howard Skipper
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