Github user mengxr commented on a diff in the pull request:
https://github.com/apache/spark/pull/8554#discussion_r38441598
--- Diff:
mllib/src/main/scala/org/apache/spark/ml/evaluation/BinaryClassificationEvaluator.scala
---
@@ -31,15 +31,18 @@ import org.apache.spark.sql.types.DoubleType
* Evaluator for binary classification, which expects two input columns:
rawPrediction and label.
*/
@Experimental
+@Since("1.2.0")
class BinaryClassificationEvaluator(override val uid: String)
extends Evaluator with HasRawPredictionCol with HasLabelCol {
+ @Since("1.4.0")
def this() = this(Identifiable.randomUID("binEval"))
--- End diff --
The default constructor should be since 1.2.
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