viirya commented on a change in pull request #28704:
URL: https://github.com/apache/spark/pull/28704#discussion_r434020686
##########
File path:
mllib/src/test/scala/org/apache/spark/ml/tuning/CrossValidatorSuite.scala
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@@ -40,10 +41,22 @@ class CrossValidatorSuite
import testImplicits._
@transient var dataset: Dataset[_] = _
+ @transient var datasetWithFold: Dataset[_] = _
override def beforeAll(): Unit = {
super.beforeAll()
dataset = sc.parallelize(generateLogisticInput(1.0, 1.0, 100, 42),
2).toDF()
+ val foldCol = udf { () =>
+ val r = Math.random()
Review comment:
Good idea.
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