[SPARK-10349] [ML] OneVsRest use 'when ... otherwise' not UDF to generate new label at binary reduction #8519
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Test build #41783 has finished for PR 8519 at commit
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LGTM |
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Merged into master. Thanks! |
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Currently OneVsRest use UDF to generate new binary label during training.
Considering that SPARK-7321 has been merged, we can use
when ... otherwisewhich will be more efficiency.