Github user jkbradley commented on a diff in the pull request:
https://github.com/apache/spark/pull/18281#discussion_r121735342
--- Diff:
mllib/src/test/scala/org/apache/spark/ml/classification/OneVsRestSuite.scala ---
@@ -101,6 +101,40 @@ class OneVsRestSuite extends SparkFunSuite with
MLlibTestSparkContext with Defau
assert(expectedMetrics.confusionMatrix ~== ovaMetrics.confusionMatrix
absTol 400)
}
+ test("one-vs-rest: tuning parallelism produces correct output") {
+ val numClasses = 3
+ val ova = new OneVsRest()
+ .setClassifier(new LogisticRegression)
+ .setParallelism(8)
+ assert(ova.getLabelCol === "label")
--- End diff --
No need to check Params. That's not what this unit test is for.
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