GitHub user tengpeng opened a pull request:
https://github.com/apache/spark/pull/20732
[SPARK-23578][ML] Add multicolumn support for Binarizer
## What changes were proposed in this pull request?
[Spark-20542] added an API that Bucketizer that can bin multiple columns.
Based on this change, a multicolumn support is added for Binarizer.
## How was this patch tested?
Added test cases.
(Note: My local ./dev/run-tests shows other components failed Python style
tests. Not sure why.)
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/tengpeng/spark SPARK-23578
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/20732.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 #20732
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commit a0cc9f1b67fd3d00e0e468b30e522373819b23a7
Author: Teng Peng <josephtengpeng@...>
Date: 2018-03-04T05:54:49Z
Add multicolumn support for Binarizer
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