[SYSTEMDS-3898] Add regression tests for quantile averaging on even-length inputs#2382
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lumos07 wants to merge 2 commits intoapache:mainfrom
Open
[SYSTEMDS-3898] Add regression tests for quantile averaging on even-length inputs#2382lumos07 wants to merge 2 commits intoapache:mainfrom
lumos07 wants to merge 2 commits intoapache:mainfrom
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added 2 commits
December 12, 2025 18:00
…inmem path (materialize and pick with averaging for even-length arrays)
…inmem path (materialize and pick with averaging for even-length arrays)
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This PR adds regression tests for SYSTEMDS-3898 to validate quantile behavior
on even-length, unweighted inputs.
The tests ensure that quantile(X, 0.5) matches median(X) and follows R
semantics, including column-wise and multi-probability quantile calls.
No runtime or kernel changes are included.