On Tue, Jan 14, 2014 at 8:13 PM, Joel Nothman <joel.noth...@gmail.com>wrote:
>
> I like this idea, broadly. I don't especially like the thought of
> deprecating the scorer interface and parameter name already, but I think
> this entails doing so. And the fact that it no longer has the same
> interface as estimator.score suggests it should have a different name.
>
>
I was thinking we could keep __call__(self, estimator, X, y), at least for
some time, and add a new method evaluate(self, y_true, y_score).
need_threshold=False would be deprecated in favor of need_categories=True.
The most important is to not break GridSearchCV and cross_val_score. A few
deprecation warnings in the scorer API (in case people have created custom
scorers in their user-land code) are reasonable I think.
Mathieu
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