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From mengxr <...@git.apache.org>
Subject [GitHub] spark pull request: [SPARK-9837] [ML] R-like summary statistics fo...
Date Mon, 14 Mar 2016 19:00:47 GMT
Github user mengxr commented on a diff in the pull request:

    https://github.com/apache/spark/pull/11694#discussion_r56056465
  
    --- Diff: mllib/src/main/scala/org/apache/spark/ml/regression/GeneralizedLinearRegression.scala
---
    @@ -573,6 +660,41 @@ class GeneralizedLinearRegressionModel private[ml] (
         familyAndLink.fitted(eta)
       }
     
    +  private var trainingSummary: Option[GeneralizedLinearRegressionSummary] = None
    +
    +  /**
    +   * Gets R-like summary of model on training set. An exception is
    +   * thrown if `trainingSummary == None`.
    +   */
    +  @Since("2.0.0")
    +  def summary: GeneralizedLinearRegressionSummary = trainingSummary match {
    +    case Some(summ) => summ
    --- End diff --
    
    ~~~scala
    trainingSummary.getOrElse {
      throw new Exception(...)
    }
    ~~~


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