GitHub user WeichenXu123 opened a pull request:

    https://github.com/apache/spark/pull/18896

    [SPARK-21681][ML] fix bug of MLOR do not work correctly when featureStd 
contains zero       

    ## What changes were proposed in this pull request?
    
    fix bug of MLOR do not work correctly when featureStd contains zero 
    
    ## How was this patch tested?
    
    N/A

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

    $ git pull https://github.com/WeichenXu123/spark fix_mlor_stdvalue_zero_bug

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

    https://github.com/apache/spark/pull/18896.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 #18896
    
----
commit c415ddeb1182f8243e5330d294665079c21a8a19
Author: WeichenXu <weichenxu...@outlook.com>
Date:   2017-08-09T17:17:43Z

    init pr

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