FIX Preserve y shape in TransformedTargetRegressor #31563
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Thanks for the Pull Request @kryggird! If you have the time, could you take a look at the linter's complaints - it has instructions on how to install and run the linters as well which in 99.9% will automagically fix all the complaints. |
jeremiedbb
approved these changes
Jul 23, 2025
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Thanks for the PR @kryggird. I just moved the test you added into the TranformedTargetRegressor dedicated test file.
Please add a changelog entry. LGTM otherwise.
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Reference Issues/PRs
Fixes 26530.
What does this implement/fix? Explain your changes.
This PR uses the existing
self._training_dimto decide whether to squeezeybefore passing it the inner regressor inTransformedTargetRegressor.Any other comments?
I've also added a test in
test_metaestimators_metadata_routing.py.@betatim @glemaitre