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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