Github user jkbradley commented on a diff in the pull request:
https://github.com/apache/spark/pull/6000#discussion_r29976495
--- Diff:
examples/src/main/scala/org/apache/spark/examples/mllib/LDAExample.scala ---
@@ -137,14 +151,18 @@ object LDAExample {
sc.setCheckpointDir(params.checkpointDir.get)
}
val startTime = System.nanoTime()
- val ldaModel = lda.run(corpus).asInstanceOf[DistributedLDAModel]
+ val ldaModel = lda.run(corpus)
val elapsed = (System.nanoTime() - startTime) / 1e9
println(s"Finished training LDA model. Summary:")
println(s"\t Training time: $elapsed sec")
- val avgLogLikelihood = ldaModel.logLikelihood /
actualCorpusSize.toDouble
- println(s"\t Training data average log likelihood: $avgLogLikelihood")
- println()
+
+ if(ldaModel.isInstanceOf[DistributedLDAModel]) {
--- End diff --
scala style: space after "if"
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