Github user SparkQA commented on the pull request:
https://github.com/apache/spark/pull/3099#issuecomment-62034301
[Test build #23011 has
finished](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/23011/consoleFull)
for PR 3099 at commit
[`2d040b3`](https://github.com/apache/spark/commit/2d040b3b99be4192b6301452f04c1a758b0e6a84).
* This patch **fails RAT tests**.
* This patch merges cleanly.
* This patch adds the following public classes _(experimental)_:
* `abstract class Estimator[M <: Model] extends PipelineStage with Params
`
* `abstract class Evaluator extends Identifiable `
* `trait Identifiable extends Serializable `
* `abstract class Model extends Transformer `
* `class Pipeline extends Estimator[PipelineModel] `
* `class PipelineModel(val transformers: Array[Transformer]) extends
Model `
* `abstract class Transformer extends PipelineStage with Params `
* `class CrossValidator extends Estimator[CrossValidatorModel] with
Params `
* `class CrossValidatorModel(bestModel: Model, metric: Double) extends
Model `
* `class LogisticRegressionModel(`
* `class StandardScaler extends Estimator[StandardScalerModel] with
HasInputCol `
* `trait StandardScalerModelParams extends Params with HasInputCol with
HasOutputCol `
* `class DoubleParam(parent: Params, name: String, doc: String, default:
Option[Double] = None)`
* `class IntParam(parent: Params, name: String, doc: String, default:
Option[Int] = None)`
* `case class ParamPair[T](param: Param[T], value: T)`
* `trait Params extends Identifiable `
* `class ParamGridBuilder `
* `trait HasRegParam extends Params `
* `trait HasMaxIter extends Params `
* `trait HasFeaturesCol extends Params `
* `trait HasLabelCol extends Params `
* `trait HasScoreCol extends Params `
* `trait HasThreshold extends Params `
* `trait HasMetricName extends Params `
* `trait HasInputCol extends Params `
* `trait HasOutputCol extends Params `
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