[GitHub] spark pull request #19347: Branch 2.2 sparkmlib's output of many algorithms ...

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[GitHub] spark pull request #19347: Branch 2.2 sparkmlib's output of many algorithms ...

GitHub user ithjz opened a pull request: https://github.com/apache/spark/pull/19347 Branch 2.2 sparkmlib'soutput of many algorithms is not clear What's the use of these **results?** JavaGradientBoostingRegressionExample Test Mean