I think the crux is this:
*From my use of scikit-learn I view it more as a CRAN or CPAN (or PyPi)
ecosystem: it’s a fairly loose framework supporting many plug-in modules of
varying quality.*
scikit-learn is not itself an ecosystem - it is a single package within the
ecosystem, and the leaders of the project try really hard to keep it
coherent. For example, the HMM module was recently split off because it
was really hard to shoehorn it into the default sklearn API.
As the surface area of scikit-learn grows, the maintenance costs grow, and
keeping everything high quality becomes much harder. There is a very, very
serious trade off between versatility and quality, and sklearn errs on the
side of the latter.
On Wed, Dec 3, 2014 at 9:12 AM, Tom Fawcett <tom.fawc...@gmail.com> wrote:
> > The bottom line is that you or anyone else is welcome to fork the
> project and be as welcoming as you like. But the project thrives on the
> basis that it is well-contained and well-maintained, and that simply can't
> be assured of a project without restrictive criteria for inclusion.
>
> I think this is the crux of what I don’t understand. You seem to view
> scikit-learn like the core Python library, which must be carefully curated
> because it’s basically an extension of the language. There’s usually only
> one official core library package for a given task, so it’s supported and
> its quality is guaranteed.
>
> From my use of scikit-learn I view it more as a CRAN or CPAN (or PyPi)
> ecosystem: it’s a fairly loose framework supporting many plug-in modules of
> varying quality. There are many alternatives for a given task so it’s much
> more of a pick-and-choose ensemble. That’s why I was surprised by the FAQ
> answer about contributions. It seems to me contributed modules should pass
> tests and respect the basic API structure. Beyond that I don’t see why
> scikit-learn imposes popularity thresholds on contributions.
>
> But I didn’t come here to argue. I respect the immense work that’s gone
> into the project, and if that’s the way it’s run, so be it.
>
> Regards,
> -Tom
>
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