GitHub user yinxusen opened a pull request:
https://github.com/apache/spark/pull/12738
[SPARK-14931][ML][PySpark] Mismatched default values between pipelines in
Spark and PySpark
## What changes were proposed in this pull request?
When transferring params from Spark pipeline back to PySpark pipeline, only
those set params should be transferred back. Otherwise, the potential mismatch
default values between Spark pipelines and PySpark pipelines will cause errors.
## How was this patch tested?
Tested with previous existed Python tests.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/yinxusen/spark SPARK-14931
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/12738.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 #12738
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commit 03685b7bd1fd5306ff392746fdf97127e43ee5ab
Author: yinxusen <yinxu...@gmail.com>
Date: 2016-04-27T17:46:39Z
fix bug
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