It only works because Pipeline overloads get_params.
On 20 February 2015 at 09:17, Andy <t3k...@gmail.com> wrote:
>
> On 02/19/2015 12:58 PM, Gael Varoquaux wrote:
> > The question is: can we do this without breaking our pipeline delegation
> > mechanism that we use to set parameters during cross-validation in a
> > pipeline? I am not convinced that this is possible. Maybe a complex
> > mechanism overridding __getattr__, or in other ways the attribute lookup
> > in python, would do it, but that would be greater evil.
> All this is implemented in BaseEstimator.set_params, which is not
> overloaded in pipeline.
> Making it a function instead of a method should be as easy as replacing
> est.set_params(**params)
> by
> set_params(est, **params)
>
> Unless I'm pretty blind (which is possible)
>
>
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