8000 ENH Removes validation from __init__ for SGDOneClassSVM by iofall · Pull Request #21944 · scikit-learn/scikit-learn · GitHub
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ENH Removes validation from __init__ for SGDOneClassSVM #21944

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ENH Removes validation from __init__ for SGDOneClassSVM #21944

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@iofall
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@iofall iofall commented Dec 10, 2021 •
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Addresses #21406

What does this implement/fix? Explain your changes.

  1. Changed alpha to None in __init__
  2. Previously alpha was initialized as self.nu / 2 in __init__ which was performed before validation of nu. This caused type errors in the __init__ method.
  3. Now alpha is initialized as None and modified after validation in its respective fit() & partial_fit() methods

cc: @arisayosh

@iofall @arisayosh
Remove validation from __init__ for SGDOneClassSVM
ccc861c 
Co-authored-by: iofall <50991099+iofall@users.noreply.github.com>
Co-authored-by: arisayosh <15692997+arisayosh@users.noreply.github.com>
@iofall iofall changed the title ENH Removes validation from init for SGDOneClassSVM ENH Removes validation from __init__ for SGDOneClassSVM Dec 10, 2021
iofall and others added 4 commits December 11, 2021 22:47
@iofall @arisayosh
Resolve merge conflicts
b4a782a 
Co-authored-by: arisayosh <15692997+arisayosh@users.noreply.github.com>
Co-authored-by: iofall <50991099+iofall@users.noreply.github.com>
@iofall
Merge branch 'main' into Issue-21406-SGDOneClassSVM
77998bb
@iofall
Merge branch 'Issue-21406-SGDOneClassSVM' of github.com:iofall/scikit…
afd592b 
…-learn into Issue-21406-SGDOneClassSVM
@iofall @arisayosh
Add Changelog
321b791 
Co-authored-by: arisayosh <15692997+arisayosh@users.noreply.github.com>
Co-authored-by: iofall <50991099+iofall@users.noreply.github.com>
@arisayosh arisayosh mentioned this pull request Dec 11, 2021
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@betatim
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betatim commented Sep 13, 2022 •
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Hi 👋

are you still working on this PR or could I take it over?

After rebasing this and resolving conflicts I think the only thing left to do is to remove alpha from __init__, all the other changes seem to have already been applied in other PRs. I think we don't need to pass alpha=None in __init__, instead we can not pass it.

@iofall
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iofall commented Sep 13, 2022

Sure @betatim go ahead. We were just waiting for a review, but it has been a long time. I don't quite remember why we did the alpha = None, but looking at the recent changes, just removing that will work.

@betatim betatim mentioned this pull request Sep 14, 2022
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@ogrisel
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ogrisel commented Sep 15, 2022

Closing in favor of #24433.

@ogrisel ogrisel closed this Sep 15, 2022
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@iofall @betatim @ogrisel @cmarmo
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