Hi Alex. It should be fully connected. I'll check again.
Thanks. Andy On 03/12/2013 04:07 PM, Alexandre Gramfort wrote: > hi Andy, > > is your graph fully connected? ie one connected compotent? if not > you should tell the estimator. > > let me know if it works. > > Alex > > On Tue, Mar 12, 2013 at 3:16 PM, Andreas Mueller > <[email protected]> wrote: >> Hey everybody. >> I have been trying to use Ward with a fixed connectivity matrix today >> and ran into some problems: >> >> File "/home/VI/staff/amueller/checkout/scikit-learn/sklearn/base.py", >> line 330, in fit_predict >> self.fit(X) >> File >> "/home/VI/staff/amueller/checkout/scikit-learn/sklearn/cluster/hierarchical.py", >> line 380, in fit >> copy=self.copy, n_clusters=n_clusters) >> File >> "/home/VI/staff/amueller/checkout/scikit-learn/sklearn/cluster/hierarchical.py", >> line 165, in ward_tree >> inert, i, j = heappop(inertia) >> IndexError: index out of range >> >> I checked and the number of nodes is the same as the number of samples >> during fit. >> Is there some assumption about the graph that I could be missing? >> I see this error only for "low" number of clusters. If I increase >> n_clusters, >> it goes away. >> >> >> Any help would be much appreciated. >> >> Cheers, >> Andy >> >> ------------------------------------------------------------------------------ >> Symantec Endpoint Protection 12 positioned as A LEADER in The Forrester >> Wave(TM): Endpoint Security, Q1 2013 and "remains a good choice" in the >> endpoint security space. For insight on selecting the right partner to >> tackle endpoint security challenges, access the full report. >> http://p.sf.net/sfu/symantec-dev2dev >> _______________________________________________ >> Scikit-learn-general mailing list >> [email protected] >> https://lists.sourceforge.net/lists/listinfo/scikit-learn-general > ------------------------------------------------------------------------------ > Symantec Endpoint Protection 12 positioned as A LEADER in The Forrester > Wave(TM): Endpoint Security, Q1 2013 and "remains a good choice" in the > endpoint security space. For insight on selecting the right partner to > tackle endpoint security challenges, access the full report. > http://p.sf.net/sfu/symantec-dev2dev > _______________________________________________ > Scikit-learn-general mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/scikit-learn-general ------------------------------------------------------------------------------ Symantec Endpoint Protection 12 positioned as A LEADER in The Forrester Wave(TM): Endpoint Security, Q1 2013 and "remains a good choice" in the endpoint security space. For insight on selecting the right partner to tackle endpoint security challenges, access the full report. http://p.sf.net/sfu/symantec-dev2dev _______________________________________________ Scikit-learn-general mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/scikit-learn-general
