Guoqiang Li created SPARK-4530:
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Summary: GradientDescent get a wrong gradient value according to
the gradient formula, which is caused by the miniBatchSize parameter.
Key: SPARK-4530
URL: https://issues.apache.org/jira/browse/SPARK-4530
Project: Spark
Issue Type: Bug
Components: MLlib
Affects Versions: 1.1.0, 1.0.0, 1.2.0
Reporter: Guoqiang Li
This bug is caused by {{RDD.sample}}
The number of {{RDD.sample}} returns is not fixed.
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