Github user sethah commented on a diff in the pull request:
https://github.com/apache/spark/pull/11903#discussion_r57236966
--- Diff:
mllib/src/main/scala/org/apache/spark/ml/classification/GBTClassifier.scala ---
@@ -97,7 +97,6 @@ final class GBTClassifier @Since("1.4.0") (
@Since("1.4.0")
override def setSeed(value: Long): this.type = {
--- End diff --
If I remove this method I get compile errors in "JavaGBTClassifierSuite". I
believe this has something to do with the fact that `setSeed` in class
`DecisionTreeParams` returns `this.type`, which is a mixed in trait for the
GBTClassifier class. I also checked RandomForestClassifier/Regressor and they
have a `override def setSeed(value: Long): this.type = super.setSeed(value)`
setter in the final class.
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