Github user jkbradley commented on a diff in the pull request:
https://github.com/apache/spark/pull/21081#discussion_r182216415
--- Diff: mllib/src/main/scala/org/apache/spark/ml/clustering/KMeans.scala
---
@@ -90,7 +90,12 @@ private[clustering] trait KMeansParams extends Params
with HasMaxIter with HasFe
* @return output schema
*/
protected def validateAndTransformSchema(schema: StructType): StructType
= {
- SchemaUtils.checkColumnType(schema, $(featuresCol), new VectorUDT)
+ val typeCandidates = List( new VectorUDT,
+ new ArrayType(DoubleType, true),
--- End diff --
Also, IntelliJ may warn you about passing boolean arguments as named
arguments; that'd be nice to fix here.
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