Thank you! It works!
2014-06-11 14:45 GMT+02:00 Tamás Nepusz <[email protected]>: > > Can anyone explain why the number of nodes is 425957 instead 317080? > It is probably because you read it into igraph using the "edgelist" > format, which assumes that vertex IDs start from zero and are continuous. > If this is not the case, use the "ncol" format, which will simply assign > integer IDs to the vertices and preserve the original IDs in the file in > the "name" vertex attribute (see my_graph.vs["name"]). Also, you will need > to get rid of the first four lines in the file and specify explicitly that > your graph is undirected: > > In [1]: g=load("com-dblp.ungraph.txt", format="ncol", directed=False) > In [2]: summary(g) > IGRAPH UN-- 317080 1049866 -- > + attr: name (v) > > -- > T. > > >
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