Github user jkbradley commented on a diff in the pull request:
https://github.com/apache/spark/pull/7705#discussion_r35726227
--- Diff:
mllib/src/main/scala/org/apache/spark/mllib/clustering/LDAModel.scala ---
@@ -287,15 +408,26 @@ class DistributedLDAModel private (
private[clustering] val globalTopicTotals: LDA.TopicCounts,
val k: Int,
val vocabSize: Int,
- private[clustering] val docConcentration: Double,
- private[clustering] val topicConcentration: Double,
+ protected[clustering] val docConcentration: Vector,
--- End diff --
For now, shall we add a check in the constructor to make sure
docConcentration is valid (1 value, or k copies of the same value)?
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