Github user srowen commented on a diff in the pull request:
https://github.com/apache/spark/pull/22063#discussion_r212392363
--- Diff:
mllib/src/main/scala/org/apache/spark/ml/classification/Classifier.scala ---
@@ -164,19 +164,15 @@ abstract class ClassificationModel[FeaturesType, M <:
ClassificationModel[Featur
var outputData = dataset
var numColsOutput = 0
if (getRawPredictionCol != "") {
- val predictRawUDF = udf { (features: Any) =>
--- End diff --
Thanks for your review @cloud-fan , I could really use your input here.
That's a good find. It _may_ be that we want to explicitly support UDFs where a
schema isn't available -- see below. But I agree I'd rather not. It gets kind
of messy though.
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