[R] layout of igraph

kevinchang shukai at seas.upenn.edu
Thu Feb 26 16:44:25 CET 2009


Thanks Gabor's fast reply. 

In my research, every node has it's own vector of scores. So I can compute
correlation between every pair of nodes. I used the width and color of the
edge for this purpose. But visualizing the correlations by distance may be
clearer. 

Best,
Shukai


Gábor Csárdi-2 wrote:
> 
> Shukai,
> 
> the force based layout algorithms (layout.drl,
> layout.fruchterman.reingold, layout.graphopt, layout.kamada.kawai) are
> likely to do this; although they are not explicitly required to place
> hubs in the center, usually they do.
> 
> I am not sure what is the "correlation between two nodes". You mean
> that the graph is weighted?
> 
> If you have a small graph, then you can refine the layout
> interactively by using 'tkplot'.
> 
> Gabor
> 
> On Thu, Feb 26, 2009 at 4:20 PM, kevinchang <shukai at seas.upenn.edu> wrote:
>>
>> Dear R users,
>>
>> I am trying to draw a network using igraph package. I intend to place the
>> hub nodes (the ones with the relatively more connection with other nodes)
>> in
>> the center of the graph.  Also, the graph need to be in the fashion that
>> the
>> higher the correlation between two nodes is , the closer the two nodes
>> will
>> be.  Is there any layout that can help or any other way to do this?
>>
>> Thanks in advance.
>> Shukai
>> --
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>>
>> ______________________________________________
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>> and provide commented, minimal, self-contained, reproducible code.
>>
> 
> 
> 
> -- 
> Gabor Csardi <Gabor.Csardi at unil.ch>     UNIL DGM
> 
> ______________________________________________
> 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.
> 
> 

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