GitHub user facaiy opened a pull request:
https://github.com/apache/spark/pull/18763
[SPARK-21306][ML] OneVsRest should support setWeightCol for branch-2.1
The PR is related to #18554, and is modified for branch 2.1.
## What changes were proposed in this pull request?
add `setWeightCol` method for OneVsRest.
`weightCol` is ignored if classifier doesn't inherit HasWeightCol trait.
## How was this patch tested?
+ [x] add an unit test.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/facaiy/spark
BUG/branch-2.1_OneVsRest_support_setWeightCol
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/18763.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 #18763
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commit ddb83da765f38546a96a63b26478f594601c7e2b
Author: Yan Facai (é¢åæ) <facai....@gmail.com>
Date: 2017-07-28T02:10:35Z
[SPARK-21306][ML] OneVsRest should support setWeightCol
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