Re: How useful is Sequence Clustering algorithm?
- From: "Dejan Sarka" <dejan_please_reply_to_newsgroups.sarka@xxxxxxxxxx>
- Date: Mon, 9 Apr 2007 15:22:23 +0200
Bostjan,
The results are not what I expect - very often I get recommendations with
probability 1E-14 and sometimes I get "Internal error: An unexpected
exeption occured." I tried to use URL sequences that are very distinct for
a particular cluster, but the results do not differ much - the predicted
cluster is often correct (ie. as expected), but the predicted pages
(often) do not occur in that cluster at all.
I would say that this smells like a bug, especially the "internal error"
part. Mayb you could test the algorithm a bit more - maybe you can create
couple of models with different number of clusters, and check whether the
memebrship prediction gets better with some of the new models? In addition,
as this seems a bug or a feature with room for improvment, maybe you could
post this issue to Microsoft Connect -
http://connect.microsoft.com/default.aspx.
--
Dejan Sarka
http://blogs.solidq.com/EN/dsarka/
.
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