[SPARK-11912] [ML] ml.feature.PCA minor refactor#9897
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Test build #46505 has finished for PR 9897 at commit
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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/```. Refactor the constructor of ```ml.feature.PCAModel``` to take only ```pc``` but construct ```mllib.feature.PCAModel``` inside ```transform```. Author: Yanbo Liang <ybliang8@gmail.com> Closes #9897 from yanboliang/spark-11912. (cherry picked from commit d9cf9c2) Signed-off-by: Xiangrui Meng <meng@databricks.com>
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LGTM. Merged into master and branch-1.6. Thanks! |
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Like SPARK-11852,
kis params and we should save it undermetadata/rather than both underdata/andmetadata/. Refactor the constructor ofml.feature.PCAModelto take onlypcbut constructmllib.feature.PCAModelinsidetransform.