Github user imatiach-msft commented on a diff in the pull request:
https://github.com/apache/spark/pull/22087#discussion_r220779540
--- Diff:
mllib/src/test/scala/org/apache/spark/ml/clustering/GaussianMixtureSuite.scala
---
@@ -268,6 +268,13 @@ class GaussianMixtureSuite extends MLTest with
DefaultReadWriteTest {
assert(trueLikelihood ~== doubleLikelihood absTol 1e-6)
assert(trueLikelihood ~== floatLikelihood absTol 1e-6)
}
+
+ test("prediction on single instance") {
+ val gmm = new GaussianMixture()
--- End diff --
maybe explicitly set seed in order to minimize randomness from run to run
(usually better to make tests as deterministic as possible)
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