GitHub user vivkul opened a pull request:
https://github.com/apache/spark/pull/9771
rmse was wrongly calculated
It was multiplying with U instaed of dividing by U
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/vivkul/spark patch-1
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/9771.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 #9771
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commit 4cee53c18ed0c1c3e77c1101054044adf3250caa
Author: Viveka Kulharia <[email protected]>
Date: 2015-11-17T15:17:12Z
rmse was wrongly calculated
It was multiplying with U instaed of dividing by U
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