GitHub user sethah opened a pull request:
https://github.com/apache/spark/pull/15773
[SPARK-18276][ML] ML models should copy the training summary and set parent
## What changes were proposed in this pull request?
Only some of the models which contain a training summary currently set the
summaries in the copy method. Linear/Logistic regression do, GLR, GMM, KM, and
BKM do not. Additionally, these copy methods did not set the parent pointer of
the copied model. This patch modifies the copy methods of the four models
mentioned above to copy the training summary and set the parent.
## How was this patch tested?
Add unit tests in Linear/Logistic/GeneralizedLinear regression and
GaussianMixture/KMeans/BisectingKMeans to check the parent pointer of the
copied model and check that the copied model has a summary.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/sethah/spark SPARK-18276
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/15773.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 #15773
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commit 9d2a64be0676718259fedd8d9090717fb2432457
Author: sethah <[email protected]>
Date: 2016-11-04T20:40:58Z
add tests for copy summary
commit 6bb2871be0d866252ec90a802a6e3043a503990a
Author: sethah <[email protected]>
Date: 2016-11-04T20:53:32Z
cleanups
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