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Posted to reviews@spark.apache.org by GitBox <gi...@apache.org> on 2019/06/03 09:47:50 UTC
[GitHub] [spark] zhengruifeng opened a new pull request #24775:
[SPARK-27925][ML] Better control numBins of curves in
BinaryClassificationMetrics
zhengruifeng opened a new pull request #24775: [SPARK-27925][ML] Better control numBins of curves in BinaryClassificationMetrics
URL: https://github.com/apache/spark/pull/24775
## What changes were proposed in this pull request?
bring the grouping op forward into the sort op, and regard one partition as one bin.
## How was this patch tested?
existing tests and modified tests (to test the case with > 1 partitions)
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