2012/1/4 Mathias Verbeke <[email protected]>:
> I just started working with Scikit Learn and I'm currently using the Nearest
> Neighbors module. In the documentation is stated that it currently only
> supports the Euclidean distance metric, and I was wondering if it would be
> easy to extend it with other distance metrics? Since it uses the
> scipy.sparse matrices as input, I was thinking about the distance metrics in
> scipy.distance.spatial. Would that be possible, or were there certain
> considerations to only allow for Euclidean distance?

Actually, the sparse matrices must be feature vectors, not distance
matrices. The euclidean distance is computed between these vectors,
pairwise.

-- 
Lars Buitinck
Scientific programmer, ILPS
University of Amsterdam

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