Github user srowen commented on a diff in the pull request:
https://github.com/apache/spark/pull/22236#discussion_r212833419
--- Diff: mllib/src/main/scala/org/apache/spark/ml/fpm/FPGrowth.scala ---
@@ -217,9 +217,13 @@ object FPGrowth extends
DefaultParamsReadable[FPGrowth] {
@Experimental
class FPGrowthModel private[ml] (
@Since("2.2.0") override val uid: String,
- @Since("2.2.0") @transient val freqItemsets: DataFrame)
+ @Since("2.2.0") @transient val freqItemsets: DataFrame,
+ private val itemSupport: Map[Any, Long])
extends Model[FPGrowthModel] with FPGrowthParams with MLWritable {
+ private[ml] def this(uid: String, freqItemsets: DataFrame) =
--- End diff --
Because it's private, you could also just make the new parameter an Option
or something rather than recreate the existing constructor separately.
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