Github user feynmanliang commented on a diff in the pull request:
https://github.com/apache/spark/pull/8077#discussion_r36779483
--- Diff:
mllib/src/main/scala/org/apache/spark/mllib/clustering/LDAModel.scala ---
@@ -455,8 +455,9 @@ class DistributedLDAModel private[clustering] (
val vocabSize: Int,
override val docConcentration: Vector,
override val topicConcentration: Double,
- override protected[clustering] val gammaShape: Double,
- private[spark] val iterationTimes: Array[Double]) extends LDAModel {
+ private[spark] val iterationTimes: Array[Double],
+ override protected[clustering] val gammaShape: Double = 100
+ ) extends LDAModel {
--- End diff --
OK
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