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author | wm624@hotmail.com <wm624@hotmail.com> | 2017-02-22 11:50:24 -0800 |
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committer | Felix Cheung <felixcheung@apache.org> | 2017-02-22 11:50:24 -0800 |
commit | 1f86e795b87ba93640062f29e87a032924d94b2a (patch) | |
tree | 5489ebff9dd4106fd5f508365d19ff60dccf162b /sql/core/src/main/scala/org | |
parent | e4065376d2b4eec178a119476fa95b26f440c076 (diff) | |
download | spark-1f86e795b87ba93640062f29e87a032924d94b2a.tar.gz spark-1f86e795b87ba93640062f29e87a032924d94b2a.tar.bz2 spark-1f86e795b87ba93640062f29e87a032924d94b2a.zip |
[SPARK-19616][SPARKR] weightCol and aggregationDepth should be improved for some SparkR APIs
## What changes were proposed in this pull request?
This is a follow-up PR of #16800
When doing SPARK-19456, we found that "" should be consider a NULL column name and should not be set. aggregationDepth should be exposed as an expert parameter.
## How was this patch tested?
Existing tests.
Author: wm624@hotmail.com <wm624@hotmail.com>
Closes #16945 from wangmiao1981/svc.
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