Fix seed sensitivity of test_fastica_eigh_low_rank_warning#29612
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thomasjpfan merged 5 commits intoAug 2, 2024
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…eeds] test_fastica_eigh_low_rank_warning
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Apparently this fixed the problem on Linux with MKL but not on macos with MKL... EDIT: not sure in retrospect. See the edited description of the PR. |
test_fastica_eigh_low_rank_warning
…in test [azure parallel] [all random seeds] test_fastica_simple test_fit_transform test_inverse_transform test_fastica_simple_different_solvers test_fastica_eigh_low_rank_warning
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Base on the CI report in 4981cbf, this fixed the sensitivity problem in the test. Note that to fix this test failure, I actually had to change the code in |
ogrisel
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ogrisel
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Self review fixes.
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/cc @lesteve |
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As originally reported in #26802 and more recently in #29609.
I cannot reproduce on my local setup, so let's try via the CI triggered by this draft PR.
EDIT: the
ConvergenceWarninghappens later (in the fast ica solver itself) while the expectedUserWarningshould be raised earlier, in the whitening step, irrespective of whetherFastICAconverges or not. I therefore think that the cause of the problem is that our eps-based detection of rank deficient case is too low to be platform agnostic.Fixes #26802.