GitHub user mengxr opened a pull request:
https://github.com/apache/spark/pull/3251
[branch-1.1][SPARK-4355] OnlineSummarizer doesn't merge mean correctly
@andrewor14 This backports the bug fix in #3220 . It would be good if we
can get it in 1.1.1. But this is minor.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/mengxr/spark SPARK-4355-1.1
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/3251.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 #3251
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commit 91fe1a3c7ca42f0004fb96d3d449d2b6bf1574cd
Author: Xiangrui Meng <[email protected]>
Date: 2014-11-13T01:31:16Z
fix OnlineSummarizer.merge when other.mean is zero
commit 33886b69816d46c3c1e49e511976e23f550a20ec
Author: Xiangrui Meng <[email protected]>
Date: 2014-11-13T19:04:45Z
Merge remote-tracking branch 'apache/branch-1.1' into SPARK-4355-1.1
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