On Mon, Apr 21, 2014 at 5:27 AM, <[email protected]> wrote:
> I have this graph > > simp_graph > IGRAPH DN-- 84203 284955 -- > + attr: name (v/c), timestamp (v/c) > > which when I > > dyad.census(simp_graph) > > gives > > > $mut > [1] 24130 > > $asym > [1] 236695 > > $null > [1] 0 > > Warning message: > In dyad.census(simp_directreply_graph) : > At motifs.c:899 :Integer overflow, returning zero > > I am not sure what is generating the warning message. The number is too big to represent it as an integer. > But I also have a problem with the statistics: considering my graph has > 84,203 vertices the number of possible pairs is 3,545,030,503 or > (84203*(84203-1))/2, then the results can’t be correct because 24130 + > 236695 + 0 is only 260,825. > 24130 *2 + 236695 = 284955 You need to count mutual edges twice, because dyad.census works on pairs of vertices, not on edges. Gabor > > Am I missing something? > > Thanks > > Francesco > > _______________________________________________ > igraph-help mailing list > [email protected] > https://lists.nongnu.org/mailman/listinfo/igraph-help >
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