[GitHub] spark pull request #23126: [SPARK-26158] [MLLIB] fix covariance accuracy pro...

[KyleLi1985]

GitHub user KyleLi1985 opened a pull request:

    https://github.com/apache/spark/pull/23126

    [SPARK-26158] [MLLIB] fix covariance accuracy problem for DenseVector

    ## What changes were proposed in this pull request?
    Enhance accuracy of the covariance logic in RowMatrix for function 
computeCovariance
    
    ## How was this patch tested?
    Unit test
    Accuracy test

You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/KyleLi1985/spark master

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/spark/pull/23126.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #23126
    
----
commit a8bfdfffbe82a77943adb4bf84ca939d786afc8a
Author: 李亮 <liang.li.work@...>
Date:   2018-11-23T14:35:27Z

    fix covariance accuracy problem for DenseVector

----


---

---------------------------------------------------------------------
To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org
For additional commands, e-mail: reviews-h...@spark.apache.org