zhengruifeng created SPARK-29095:
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Summary: add extractInstances
Key: SPARK-29095
URL: https://issues.apache.org/jira/browse/SPARK-29095
Project: Spark
Issue Type: Improvement
Components: ML
Affects Versions: 3.0.0
Reporter: zhengruifeng
There was method extractLabeledPoints for ml algs to transform dataset into rdd
of labelPoints.
Now more and more algs support sample weighting and extractLabeledPoints is
less used, so we should support extract weight in the common methods.
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