2011/4/13 Yaroslav Halchenko <lists@onerussian.com>:
Thanks Josef for the confirmation and making your computer sweat ;)
I have built current master
*In [3]: scipy.__version__ Out[3]: '0.10.0.dev'
the same story.
The default starting parameters have changed. If your example worked before, then it's possible that it works with explicit starting parameters. (I haven't figured out yet how to make my new computer sweat.) Josef
apparently it is known to some degree -- ncf is skipped the unittesting:
$> git grep -A 10 'TestFitMethod' scipy/stats/tests/test_distributions.py:class TestFitMethod(TestCase): scipy/stats/tests/test_distributions.py- skip = ['ncf'] scipy/stats/tests/test_distributions.py- scipy/stats/tests/test_distributions.py- @dec.slow scipy/stats/tests/test_distributions.py- def test_fit(self): scipy/stats/tests/test_distributions.py- for func, dist, args, alpha in test_all_distributions(): scipy/stats/tests/test_distributions.py- if dist in self.skip: scipy/stats/tests/test_distributions.py- continue
$> git show ba349771 commit ba349771afebb1473a961139570da770ada59032 Author: Travis Oliphant <oliphant@enthought.com> Date: Tue Jun 1 07:59:20 2010 +0000
Add tests for fit method including fixing input parameters.
;-) :-/
On Wed, 13 Apr 2011, josef.pktd@gmail.com wrote:
python -c 'import scipy.stats.distributions as ssd, numpy as np; d=ssd.ncf; d.fit(np.array([-0.03756533, 0.18115522, 0.06605958, -0.09195276, 0.06162608, 0.07139736, -0.1570828 , -0.11967677, -0.19186652, 0.29411319]));'
I only have 0.9.0, I forgot to kill the process and 1 hour 22 minutes of cpu time later it still hadn't returned. At least a maximum iteration or maximum function evaluation should have stopped it.
Josef -- =------------------------------------------------------------------= Keep in touch www.onerussian.com Yaroslav Halchenko www.ohloh.net/accounts/yarikoptic
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