Adds __getitem__ to ColumnTransformer#27990
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adrinjalali merged 5 commits intoscikit-learn:mainfrom Dec 27, 2023
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Adding a test for when the key/subestimator name doesn't exist, and moving the changelog to 1.5, LGTM.
jnothman
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Dec 27, 2023
adrinjalali
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Co-authored-by: Guillaume Lemaitre <g.lemaitre58@gmail.com>
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Reference Issues/PRs
Closes #15346
What does this implement/fix? Explain your changes.
This PR adds a
__getitem__toColumnTransformer, which is the same ascolumntransformer.named_transformer_[...]. For now, the__getitem__is restricted to fitted column transformers.