Github user rotationsymmetry commented on a diff in the pull request:
https://github.com/apache/spark/pull/7785#discussion_r35915314
--- Diff:
mllib/src/test/scala/org/apache/spark/mllib/clustering/LDASuite.scala ---
@@ -115,6 +115,15 @@ class LDASuite extends SparkFunSuite with
MLlibTestSparkContext {
assert(topicDistribution.toArray.sum ~== 1.0 absTol 1e-5)
}
+ val top2TopicsPerDoc = model.topTopicsPerDocument(2).collect()
+ top2TopicsPerDoc.zip(topicDistributions).foreach {
--- End diff --
The order of documents in `top2TopicPerDoc` and `topicDistribution` are not
guaranteed (Please correct me if I am wrong). Recommend we sort them before
comparing them.
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