[SciPy-Dev] FAIL: test_expon (test_morestats.TestAnderson)

josef.pktd@gmai... josef.pktd@gmai...
Wed Mar 16 17:10:11 CDT 2011


On Wed, Mar 16, 2011 at 4:14 PM, Nils Wagner
<nwagner@iam.uni-stuttgart.de> wrote:
> Is this a known issue ?
>>>> scipy.__version__
> '0.10.0.dev7179'
>
> ======================================================================
> FAIL: test_expon (test_morestats.TestAnderson)
> ----------------------------------------------------------------------
> Traceback (most recent call last):
>   File
> "/home/nwagner/local/lib64/python2.6/site-packages/scipy/stats/tests/test_morestats.py",
> line 72, in test_expon
>     assert_array_less(crit[:-1], A)
>   File
> "/home/nwagner/local/lib64/python2.6/site-packages/numpy/testing/utils.py",
> line 869, in assert_array_less
>     header='Arrays are not less-ordered')
>   File
> "/home/nwagner/local/lib64/python2.6/site-packages/numpy/testing/utils.py",
> line 613, in assert_array_compare
>     chk_same_position(x_id, y_id, hasval='inf')
>   File
> "/home/nwagner/local/lib64/python2.6/site-packages/numpy/testing/utils.py",
> line 588, in chk_same_position
>     raise AssertionError(msg)
> AssertionError:
> Arrays are not less-ordered
>
> x and y inf location mismatch:
>  x: array([ 0.911,  1.065,  1.325,  1.587])
>  y: array(inf)

looks suspicious, which numpy are you using?

Maybe this shows up now as a consequence of the assert fixes for inf in numpy
https://github.com/numpy/numpy/commit/45269ee1c906269bc3cd481f7ed94c8100e2b858

anderson is not fully tested, so there is no guarantee it`s not still
a mistake in it

Josef

>
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