Github user WeichenXu123 commented on a diff in the pull request: https://github.com/apache/spark/pull/19065#discussion_r135782045 --- Diff: mllib/src/test/scala/org/apache/spark/ml/classification/ProbabilisticClassifierSuite.scala --- @@ -91,4 +94,54 @@ object ProbabilisticClassifierSuite { "thresholds" -> Array(0.4, 0.6) ) + def probabilisticClassifierGenericTest[ + FeaturesType, + M <: ProbabilisticClassificationModel[FeaturesType, M]]( + model: M, testData: Dataset[_]): Unit = { + + val allColModel = model.copy(ParamMap.empty) + .setRawPredictionCol("rawPredictionAll") + .setProbabilityCol("probabilityAll") + .setPredictionCol("predictionAll") + val allColResult = allColModel.transform(testData) + + for (rawPredictionCol <- Seq("", "rawPredictionSingle")) { + for (probabilityCol <- Seq("", "probabilitySingle")) { --- End diff -- Yes. And when set these 3 params to be empty string, they are regarded as turned off, according to the implementation in `ProbabilityClassificationModel`
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