Github user mengxr commented on a diff in the pull request:
https://github.com/apache/spark/pull/11486#discussion_r56289859
--- Diff:
mllib/src/main/scala/org/apache/spark/ml/classification/NaiveBayes.scala ---
@@ -227,6 +236,25 @@ class NaiveBayesModel private[ml] (
@Since("1.6.0")
override def write: MLWriter = new
NaiveBayesModel.NaiveBayesModelWriter(this)
+
+ private var trainingSummary: Option[NaiveBayesSummary] = None
+
+ private[classification] def setSummary(summary: NaiveBayesSummary):
this.type = {
+ this.trainingSummary = Some(summary)
+ this
+ }
+
+ /**
+ * Gets summary of model on training set. An exception is thrown if
`trainingSummary == None`.
+ */
+ @Since("2.0.0")
+ def summary: NaiveBayesSummary = trainingSummary match {
--- End diff --
Do we need to add this class? It doesn't provide extra summary statistics
than the model itself.
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