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 <ricardosousa2...@clix.pt> 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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