Github user jkbradley commented on a diff in the pull request: https://github.com/apache/spark/pull/15435#discussion_r133772374 --- Diff: mllib/src/main/scala/org/apache/spark/ml/classification/LogisticRegression.scala --- @@ -1018,19 +1025,33 @@ class LogisticRegressionModel private[spark] ( throw new SparkException("No training summary available for this LogisticRegressionModel") } + @Since("2.2.0") --- End diff -- Also, add Scala doc indicating that this will throw an exception if it is a multiclass model.
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