Xiangrui Meng created SPARK-4355:
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Summary: OnlineSummarizer doesn't merge mean correctly
Key: SPARK-4355
URL: https://issues.apache.org/jira/browse/SPARK-4355
Project: Spark
Issue Type: Bug
Components: MLlib
Affects Versions: 1.0.2, 1.1.1, 1.2.0
Reporter: Xiangrui Meng
Assignee: Xiangrui Meng
It happens when the mean on one side is zero. I will send an PR with some code
clean-up.
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