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-rw-r--r--mllib/src/main/scala/org/apache/spark/ml/feature/MinMaxScaler.scala1
1 files changed, 1 insertions, 0 deletions
diff --git a/mllib/src/main/scala/org/apache/spark/ml/feature/MinMaxScaler.scala b/mllib/src/main/scala/org/apache/spark/ml/feature/MinMaxScaler.scala
index 9ed8d83324..068f11a2a5 100644
--- a/mllib/src/main/scala/org/apache/spark/ml/feature/MinMaxScaler.scala
+++ b/mllib/src/main/scala/org/apache/spark/ml/feature/MinMaxScaler.scala
@@ -170,6 +170,7 @@ class MinMaxScalerModel private[ml] (
@Since("2.0.0")
override def transform(dataset: Dataset[_]): DataFrame = {
+ transformSchema(dataset.schema, logging = true)
val originalRange = (originalMax.asBreeze - originalMin.asBreeze).toArray
val minArray = originalMin.toArray