Github user yanboliang commented on a diff in the pull request:
https://github.com/apache/spark/pull/12402#discussion_r60171349
--- Diff:
mllib/src/main/scala/org/apache/spark/ml/clustering/GaussianMixture.scala ---
@@ -105,6 +108,15 @@ class GaussianMixtureModel private[ml] (
def gaussians: Array[MultivariateGaussian] = parentModel.gaussians
@Since("2.0.0")
--- End diff --
I think it's better to make ```gaussians``` return ```DataFrame```, then we
can get it directly at Python side. For ML, we did not need a Python wrapper
like what we did at ```GaussianMixtureModelWrapper``` for MLlib. cc @jkbradley
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