[scikit-learn] Fwd: sample_weight parameter is not split when used in GridSearchCV

[Joel Nothman]

why are you passing [my_sample_weights] rather than just my_sample_weights?

On 23 Jun 2017 7:49 am, "Julio Antonio Soto de Vicente" <julio at esbet.es>
wrote:

> Hi Manuel,
>
> Are you sure that you are using the latest version (or at least >0.17)?
> The code for splitting the sample weights in GridSearchCV has been there
> for a while now...
>
> --
> Julio
>
> El 22 jun 2017, a las 23:33, Manuel Castejón Limas <
> manuel.castejon at gmail.com> escribió:
>
> Dear all,
> I posted the full question on StackOverflow and as it contains some
> figures I refer you to that post.
>
> https://stackoverflow.com/questions/44661926/sample-weight-
> parameter-shape-error-in-scikit-learn-gridsearchcv/44662285#44662285
>
> I currently  believe that this issue is a bug and I opened an issue on
> GitHub.
>
> To sum up, the issue is that GridSearchCV does not handle the splitting of
> the sample_weight vector during cross validation.
>
> Nota bene: cross_val_score seems to handle the splitting OK, this issue
> seems to occurr only in GridSearchCV.
>
> Any comments enlightening me and showing me how wrong I am are most
> welcome.
>
>
>
>
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