Github user jkbradley commented on a diff in the pull request:
https://github.com/apache/spark/pull/7099#discussion_r34299172
--- Diff:
mllib/src/main/scala/org/apache/spark/ml/regression/LinearRegression.scala ---
@@ -227,16 +243,128 @@ class LinearRegressionModel private[ml] (
extends RegressionModel[Vector, LinearRegressionModel]
with LinearRegressionParams {
+ private var trainingSummary: Option[LinearRegressionTrainingSummary] =
None
+
+ /**
+ * Gets results summary (e.g. residuals, mse, r-squared ) of model on
training set. This method
+ * should only be called on the driver as `summary` is transient.
--- End diff --
Doc out of date after recent changes.
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