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https://issues.apache.org/jira/browse/SPARK-20764?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16020568#comment-16020568
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Yanbo Liang commented on SPARK-20764:
-------------------------------------

[[email protected]] Feel free to supplement more tests for model summary not 
limit to the functions this PR added. Thanks.

> Fix visibility discrepancy with numInstances and degreesOfFreedom in LR and 
> GLR - Python version
> ------------------------------------------------------------------------------------------------
>
>                 Key: SPARK-20764
>                 URL: https://issues.apache.org/jira/browse/SPARK-20764
>             Project: Spark
>          Issue Type: Improvement
>          Components: ML, PySpark
>    Affects Versions: 2.2.0
>            Reporter: Nick Pentreath
>            Assignee: Peng Meng
>            Priority: Minor
>             Fix For: 2.2.0
>
>
> SPARK-20097 exposed {{degreesOfFreedom}} in {{LinearRegressionSummary}} and 
> {{numInstances}} in {{GeneralizedLinearRegressionSummary}}. Python API should 
> be updated to reflect these changes.



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