GitHub user jkbradley opened a pull request:
https://github.com/apache/spark/pull/12782
[SPARK-13786][ML][PYTHON] Removed save/load for python tuning
## What changes were proposed in this pull request?
Per discussion on [https://github.com/apache/spark/pull/12604], this
removes ML persistence for Python tuning (TrainValidationSplit, CrossValidator,
and their Models) since they do not handle nesting easily. This support should
be re-designed and added in the next release.
## How was this patch tested?
Removed unit test elements saving and loading the tuning algorithms, but
kept tests to save and load their bestModel fields.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/jkbradley/spark remove-python-tuning-saveload
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/12782.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 #12782
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commit a91f39ee98dd56bac4c28be4ccba7e9e3e8d29c7
Author: Joseph K. Bradley <[email protected]>
Date: 2016-04-29T18:43:23Z
Removed save/load for python tuning
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