Github user MLnick commented on a diff in the pull request: https://github.com/apache/spark/pull/17972#discussion_r118479347 --- Diff: mllib/src/main/scala/org/apache/spark/ml/param/shared/sharedParams.scala --- @@ -406,4 +409,21 @@ private[ml] trait HasAggregationDepth extends Params { /** @group expertGetParam */ final def getAggregationDepth: Int = $(aggregationDepth) } + +/** + * Trait for shared param intermediateStorageLevel (default: "MEMORY_AND_DISK"). + */ +private[ml] trait HasIntermediateStorageLevel extends Params { + + /** + * Param for Param for StorageLevelfor intermediate datasets. + * @group expertParam + */ + final val intermediateStorageLevel: Param[String] = new Param[String](this, "intermediateStorageLevel", "Param for StorageLevelfor intermediate datasets", (s: String) => Try(StorageLevel.fromString(s)).isSuccess && s != "NONE") --- End diff -- should be a space: `StorageLevelfor` -> `StorageLevel for`
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