On 01/31/2014 09:50 AM, Gael Varoquaux wrote:
>> if not isinstance(score, numbers.Number):
>> raise ValueError("scoring must return a number, got %s (%s)"
>> " instead." % (str(score), type(score)))
> I am not opposed to making this check more relaxed: we could add an 'or
> (isinstance(score, np.ndarray) and score.dtype.kind in ('i', 'f'))'.
>
> PR welcomed
>
> G
This has come up before. I am not 100% what the trouble was. I put this
in there as a bug fix.
There was a PR, not sure where it went.
cross_val_score is not called by GridSearchCV, right?
I'll try to find out what I was thinking....
Andy
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