[SciPy-dev] ValueError: Lack of convergence in obrientransform.

Nils Wagner nwagner@iam.uni-stuttgart...
Mon Dec 22 10:28:27 CST 2008


On Mon, 22 Dec 2008 10:47:44 -0500
  josef.pktd@gmail.com wrote:
> On Mon, Dec 22, 2008 at 9:24 AM, Nils Wagner
> <nwagner@iam.uni-stuttgart.de> wrote:
>>>>> scipy.__version__
>> '0.7.0.dev5286'
>>
>>
>> ======================================================================
>> ERROR: Tests Obrien transform
>> ----------------------------------------------------------------------
>> Traceback (most recent call last):
>>   File
>> "/usr/local/lib64/python2.5/site-packages/scipy/stats/tests/test_mstats_basic.py",
>> line 469, in test_obrientransform
>>     assert_almost_equal(np.round(mstats.obrientransform(*args).T,4),
>>   File
>> "/usr/local/lib64/python2.5/site-packages/scipy/stats/mstats_basic.py",
>> line 1732, in obrientransform
>>     raise ValueError("Lack of convergence in
>> obrientransform.")
>> ValueError: Lack of convergence in obrientransform.
>>
> 
> I don't see any changes in scipy.stats that could be 
>related.
> mstats.obrientransform only uses methods of
> numpy.ma.core.MaskedArray. Which numpy version are you 
>using?
> 

>>> numpy.__version__
'1.3.0.dev6188'
  
Nils


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