On Sun, Jun 2, 2013 at 4:43 PM, Mathieu Blondel <math...@mblondel.org>wrote:
>
>
>> Sounds good to me. Only I would like some confirmation on whether
>> deprecating support for sequences of sequences is sensible.
>>
>
> Sequences of sequences and arrays of sets are both iterables of iterables,
> right? So, since it only affects LabelBinarizer, I'd think we can support
> both.
>
That's only true if users know they are required to pass binarized input to
cross-validation routines such as GridSearchCV and cross_val_score, or else
they might land up with a 2d array of ints instead of a 1d array of objects.
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