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MAINT: Cor nearest factor tests #1851

merged 2 commits into from Jul 29, 2014


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kshedden commented Jul 29, 2014

Change bare asserts to numpy asserts.


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coveralls commented Jul 29, 2014

Coverage Status

Coverage remained the same when pulling 7374fbb on kshedden:cor_nearest_maint into 48f7a21 on statsmodels:master.

@kshedden kshedden changed the title Cor nearest maint MAINT: Cor nearest factor tests Jul 29, 2014

@@ -293,7 +293,7 @@ def project(x):
x = np.random.normal(size=dm)
rslt = _spg_optim(obj, grad, x, project)
xnew = rslt.params
assert(obj(xnew) < 1e-4)
assert_almost_equal(obj(xnew), 0, decimal=3)

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josef-pkt Jul 29, 2014


assert_allclose allows better control over tolerance
i.e, atol=5e-3 and rtol=0 or irrelevant in this case

I think assert_almost_equal is now only interesting in the case when we have reference numbers with a printed precision given by the number of decimals.


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josef-pkt commented Jul 29, 2014

I'm merging this to see what the results on Ubuntu are.
Trying out the test case on my computer, the tests would pass at atol=5e-5.

If we loose a lot of precision on some machines, then there might be some other problems in the code.

josef-pkt added a commit that referenced this pull request Jul 29, 2014

Merge pull request #1851 from kshedden/cor_nearest_maint
TST: Cor nearest factor tests

@josef-pkt josef-pkt merged commit 15975a7 into statsmodels:master Jul 29, 2014

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@josef-pkt josef-pkt added the PR label Aug 11, 2014

@josef-pkt josef-pkt added the type-test label Aug 24, 2014

@josef-pkt josef-pkt added this to the 0.6 milestone Aug 24, 2014

PierreBdR pushed a commit to PierreBdR/statsmodels that referenced this pull request Sep 2, 2014

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