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[air] Refactor most_frequent SimpleImputer #23706

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merged 2 commits into from
Apr 11, 2022

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@Yard1 Yard1 commented Apr 4, 2022

Why are these changes needed?

Takes care of the TODO left for SimpleImputer with most_frequent strategy by refactoring and optimising the logic for computing the most frequent value.

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  • I've run scripts/format.sh to lint the changes in this PR.
  • I've included any doc changes needed for https://docs.ray.io/en/master/.
  • I've made sure the tests are passing. Note that there might be a few flaky tests, see the recent failures at https://flakey-tests.ray.io/
  • Testing Strategy
    • Unit tests
    • Release tests
    • This PR is not tested :(

@Yard1 Yard1 added this to the Ray AIR milestone Apr 4, 2022
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@clarkzinzow clarkzinzow left a comment

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LGTM, just a few nits!

python/ray/ml/preprocessors/imputer.py Outdated Show resolved Hide resolved
python/ray/ml/preprocessors/imputer.py Outdated Show resolved Hide resolved
python/ray/ml/preprocessors/imputer.py Show resolved Hide resolved
Co-authored-by: Clark Zinzow <clarkzinzow@gmail.com>
@krfricke krfricke merged commit 5dc9580 into ray-project:master Apr 11, 2022
@Yard1 Yard1 deleted the refactor_most_frequent_imputer branch April 11, 2022 17:24
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4 participants