[scikit-learn] Failing check_estimator on py-earth

[Jason Rudy]

Thanks, Sebastian.  I'll consider using that platform check trick to
disable the test for 32 bit windows.  It is a small difference, and perhaps
not worth all the effort of tracking down.  It's part of check_estimator,
so I'd have to disable the entirety of check_estimator I think.  However,
testing on 32 bit windows is probably not terribly important.

On Fri, May 19, 2017 at 3:22 PM, Sebastian Raschka <se.raschka at gmail.com>
wrote:

> > I'll probably have to set up a 32 bit environment with a debugger and
> drill down to find the bug,
>
> Must not be a bug but can simply be due to floating point imprecision. If
> you checked that this is expected behavior, you could you do sth like
>
> import numpy.distutils.system_info as sysinfo
> if sysinfo.platform_bits == 32:
>     numpy.testing.assert_array_almost_equal(..., precision=0)
> else:
>     numpy.testing.assert_array_almost_equal(..., precision=2)
>
> or sth like that?
>
> Best,
> Sebastian
>
> > On May 19, 2017, at 6:10 PM, Jason Rudy <jcrudy at gmail.com> wrote:
> >
> > I'm pushing to get py-earth ready for a release, but I'm having an issue
> with the check_estimator function on 32 bit windows machines.  Here is a
> link to the failing build on appveyor:
> >
> > https://ci.appveyor.com/project/jcrudy/py-earth/build/
> job/21r6838yh1bgwxw4
> >
> > It appears that array conversion is producing some small differences
> that make check_estimators_data_not_an_array fail.  I'll probably have to
> set up a 32 bit environment with a debugger and drill down to find the bug,
> but I'm wondering if anybody here has tips or experience that might help me
> guess the problem without doing that.  I am pretty ignorant about numpy
> type standards and conversions, so even something that seems obvious to you
> might help me.
> >
> > Best,
> >
> > Jason
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