[scikit-learn] Adding samplers for intersection/Jensen-Shannon kernels
Andy
t3kcit at gmail.com
Sat Dec 3 16:23:21 EST 2016
Hi Valery.
I didn't include them because the Chi2 worked better for my task ;)
In hindsight, I'm not sure if these kernels are not to a bit too
specialized for scikit-learn.
But given that we have the (slightly more obscure) SkewedChi2 and
AdditiveChi2,
I think the intersection one would be a good addition if you found it
useful.
Andy
On 12/03/2016 03:39 PM, Valery Anisimovsky via scikit-learn wrote:
> Hello,
>
> In the course of my work, I've made samplers for
> intersection/Jensen-Shannon kernels, just by small modifications to
> sklearn.kernel_approximation.AdditiveChi2Sampler code. Intersection
> kernel proved to be the best one for my task (clustering Docstrum
> feature vectors), so perhaps it'd be good to add those samplers
> alongside AdditiveChi2Sampler? Should I proceed with creating a pull
> request? Or, perhaps, those kernels were not already included for some
> good reason?
>
> With best regards,
> -- Valery
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