GitHub user yanboliang opened a pull request:
https://github.com/apache/spark/pull/9897
[SPARK-11912] [ML] ml.feature.PCA minor refactor
Like [SPARK-11852](https://issues.apache.org/jira/browse/SPARK-11852),
```k``` is params and we should save it under ```metadata/``` rather than both
under ```data/``` and ```metadata/```. We construct
```mllib.feature.PCAModel``` inside ```transform```.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/yanboliang/spark spark-11912
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/9897.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 #9897
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commit 430fb0ef09511ff8578b6308067506447df22b02
Author: Yanbo Liang <[email protected]>
Date: 2015-11-23T03:01:09Z
ml.feature.PCA minor refactor
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