Github user jkbradley commented on a diff in the pull request:
https://github.com/apache/spark/pull/7538#discussion_r36361289
--- Diff:
mllib/src/main/scala/org/apache/spark/ml/classification/LogisticRegression.scala
---
@@ -286,6 +294,41 @@ class LogisticRegressionModel private[ml] (
override val numClasses: Int = 2
+ private var trainingSummary:
Option[BinaryLogisticRegressionTrainingSummary] = None
+
+ /**
+ * Gets summary of model on training set. An exception is
+ * thrown if `trainingSummary == None`.
+ */
+ def summary: BinaryLogisticRegressionTrainingSummary = trainingSummary
match {
+ case Some(summ) => summ
+ case None =>
+ throw new SparkException(
+ "No training summary available for this LogisticRegressionModel",
+ new NullPointerException())
+ }
+
+ private[classification] def setSummary(
+ summary: BinaryLogisticRegressionTrainingSummary): this.type = {
--- End diff --
should take LogisticRegressionTrainingSummary
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