GitHub user yongtang opened a pull request:
https://github.com/apache/spark/pull/12461
[SPARK-14409][ML][WIP] Adding a RankingEvaluator to ML
## What changes were proposed in this pull request?
This patch tries to add the implementation of Mean Rreciprocal Rank (MRR)
in mllib.evaluation, as a first step toward adding a RankingEvaluator to ML.
## How was this patch tested?
Additional test cast has been added to cover Mean Rreciprocal Rank (MRR).
## NOTE: This patch is a work in progress.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/yongtang/spark SPARK-14409
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/12461.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 #12461
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commit 2838c240252e7a0578377d360f1a62e00bb48507
Author: Yong Tang <[email protected]>
Date: 2016-04-18T02:55:09Z
[SPARK-14409][ML][WIP] Adding a RankingEvaluator to ML
This patch tries to add the implementation of Mean Rreciprocal Rank (MRR)
in mllib.evaluation, as a first step toward adding a RankingEvaluator to ML.
Additional test cast has been added to cover Mean Rreciprocal Rank (MRR).
This patch is a work in progress.
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