Github user SparkQA commented on the pull request:
https://github.com/apache/spark/pull/6296#issuecomment-104766686
[Test build #33356 has
finished](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/33356/consoleFull)
for PR 6296 at commit
[`645427c`](https://github.com/apache/spark/commit/645427cb1d6617c2acb73914f55cf20e276cae51).
* This patch **passes all tests**.
* This patch merges cleanly.
* This patch adds the following public classes _(experimental)_:
*
`[OneVsRest](http://en.wikipedia.org/wiki/Multiclass_classification#One-vs.-rest)
is an example of a machine learning reduction for performing multiclass
classification given a base classifier that can perform binary classification
efficiently.`
* `[Iris
dataset](http://www.csie.ntu.edu.tw/~cjlin/libsvmtools/datasets/multiclass/iris.scale),
parse it as a DataFrame and perform multiclass classification using
`OneVsRest`. The test error is calculated to measure the algorithm accuracy.`
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