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I am looking for an r package for graphs / networks which can deal with nested subgraphs. Graphviz does this but only provides for visualisation - I want classes or some way of representing the data structures themselves. igraph has subgraphs but they can't be nested as far as I can see.

enter image description here

To clarify, I already use DiagrammeR and Rgraphviz for drawing networks - but I want to analyse and manipulate e.g., say,

(pseudocode) 

newnet = oldnet + myAddedNode

to add a node to oldnet in order to make a new network called newnet.

Steve Powell
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  • doesn't `subgraph` do what you want? – dudu Apr 19 '15 at 22:48
  • Not sure, but have you looked at gephi? – lawyeR Apr 19 '15 at 23:42
  • @dudu, if you mean subgraph in Graphviz, yes, and indeed you can nest subgraphs. I am looking for a tool to *manipulate* graphs/networks (including ones with nested subgraphs) which can then be, for example, visualised with graphviz. Rgraphviz isn't IMO a graph manipulation package. – Steve Powell Apr 20 '15 at 16:12

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