Hi Pavan.
There are no hierarchical algorithms beside WARD.
It would indeed be great to have single-link and complete link.
Is there any robust version of single-link btw? What description would 
you go by?

As always, the disclaimer: Getting a new algorithm into scikit-learn is 
a bit more than
writing down the algorithm. You need to provide tests and documentation 
and need
to respect our coding guidelines. So that usually involves a bit of work.

On the other hand, having this classical algorithms in sklearn would 
definitely be great!

Cheers,
Andy


On 03/04/2013 08:46 PM, Pavan Mallapragada wrote:
> Hi,
>
> I am trying to find the single link / complete link algorithms in 
> scikit-learn. I see Ward's is the only hierarchical clustering algorithm 
> implemented (from the documentation).
>
> I did find other extensions of scipy implementing these, e.g. hcluster 
> (http://code.google.com/p/scipy-cluster/).
>
> I am willing to contribute by adding the implementations of other 
> hierarchical clustering algorithms. I am emailing to check if I am missing 
> something before trying to add my implementations.
>
> Thanks,
> Pavan
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