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Re: [igraph] largest connected component code for python
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From: |
Simone Gabbriellini |
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Subject: |
Re: [igraph] largest connected component code for python |
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Date: |
Sun, 23 Jan 2011 22:42:50 +0100 |
Hi Tamas,
yep, I was messing with GraphBase... solved.
simone
Il giorno 23/gen/2011, alle ore 22.25, Tamás Nepusz ha scritto:
> Hi Simone,
>
> g.clusters() should produce an instance of VertexClustering if g is an
> instance of igraph.Graph; are you sure that g is an instance of Graph and not
> GraphBase (which should not be used directly)?
>
> --
> Tamas
>
> On 23 Jan 2011, at 22:17, Simone Gabbriellini wrote:
>
>> Hi List,
>>
>> I am trying to translate this code for largest connected component also for
>> python (0.6 version):
>>
>> R
>> gclust<-clusters(g, mode='weak')
>> lcc<-induced.subgraph(g, V(g)[which(gclust$membership ==
>> which.max(gclust$csize))])
>>
>> Python
>> clust = g.clusters(mode='weak')
>> lcc = clust.giant()
>>
>> But the result is that clust is just a list and that clust.giant() cannot be
>> executed.
>>
>> BTW, if I use g.clusters(mode='weak') or g.clusters(mode='strong') it
>> produces just a membership list, but if I call simply g.clusters() it
>> produces this error:
>>
>> In [10]: g.clusters()
>> /Applications/Enthought/PyLab.app/Contents/MacOS/startup.command: line 2:
>> 55739 Segmentation fault
>> /Library/Frameworks/Python.framework/Versions/6.2/bin/ipython -pylab
>> logout
>>
>> below is my network, thanks for any help!
>>
>> best,
>> Simone
>>
>> <?xml version="1.0" encoding="UTF-8"?>
>> <graphml xmlns="http://graphml.graphdrawing.org/xmlns";
>> xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
>> xsi:schemaLocation="http://graphml.graphdrawing.org/xmlns
>> http://graphml.graphdrawing.org/xmlns/1.0/graphml.xsd";>
>> <!-- Created by igraph -->
>> <key id="creation" for="node" attr.name="creation" attr.type="double"/>
>> <key id="type" for="node" attr.name="type" attr.type="double"/>
>> <key id="name" for="node" attr.name="name" attr.type="double"/>
>> <key id="creation" for="edge" attr.name="creation" attr.type="double"/>
>> <graph id="G" edgedefault="undirected">
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>>
>>
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