Hello. Issue is still persists
>>> graph = ig.Graph() >>> graph.add_vertex() >>> graph.vs[0]["age"] = 55 >>> graph.vs[0]["age"] 55 >>> graph = ig.Graph.Barabasi(graph.vcount()+3, 3, power=2.5, start_from=graph, outpref=True) >>> graph.vs[0]["age"] Traceback (most recent call last): File "<stdin>", line 1, in <module> KeyError: 'Attribute does not exist' >>> graph = ig.Graph() >>> graph.add_vertex() >>> graph.vs[0]["age"] = 55 >>> graph.vs[0]["age"] 55 >>> g = ig.Graph.Barabasi(graph.vcount()+3, 3, power=2.5, start_from=graph, outpref=True) >>> g.vs[0]["age"] Traceback (most recent call last): File "<stdin>", line 1, in <module> KeyError: 'Attribute does not exist' >>> graph.vs[0]["age"] 55 >>> > Message: 4 > Date: Wed, 14 Jan 2015 21:36:54 +0900 > From: ??????? ????? <[email protected]> > To: [email protected] > Subject: [igraph] Save vertex property > Message-ID: > < > canou2t42vesnpbbceynjfj2teg3emsjvjw_qyuhqk4zxgve...@mail.gmail.com> > Content-Type: text/plain; charset="utf-8" > > Hello > > >>> graph = ig.Graph() > >>> graph.add_vertex() > >>> graph.vs[0]["age"] = 55 > >>> graph.vs[0]["age"] > 55 > >>> graph = ig.Graph().Barabasi(graph.vcount()+3, 3, power=2.5, > start_from=graph, outpref=True) > >>> graph.vs[0]["age"] > Traceback (most recent call last): > File "<stdin>", line 1, in <module> > KeyError: 'Attribute does not exist' > > > It is possible to save "age" property after ig.Graph().Barabasi ? > > > Thanks. > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: < > http://lists.nongnu.org/archive/html/igraph-help/attachments/20150114/ec7e0025/attachment.html > > > > ------------------------------ > > Message: 5 > Date: Wed, 14 Jan 2015 15:09:50 +0100 > From: Tamas Nepusz <[email protected]> > To: Help for igraph users <[email protected]> > Subject: Re: [igraph] Save vertex property > Message-ID: <[email protected]> > Content-Type: text/plain; charset=us-ascii > > > >>> graph = ig.Graph().Barabasi(graph.vcount()+3, 3, power=2.5, > > ... start_from=graph, outpref=True) > I'm quite surprised that it works at all to be honest. The correct > invocation > would be: > > ig.Graph.Barabasi(graph.vcount()+3, 3, power=2.5, ...) > > Graph.Barabasi is a class method so it must be invoked directly on the > Graph > class, not on a Graph instance. Can you repeat your code with the above > modification and check if the issue still persists? > > All the best, > T. > > > ------------------------------ > > _______________________________________________ > igraph-help mailing list > [email protected] > https://lists.nongnu.org/mailman/listinfo/igraph-help > > > End of igraph-help Digest, Vol 102, Issue 13 > ******************************************** >
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