Github user jkbradley commented on a diff in the pull request:
https://github.com/apache/spark/pull/12402#discussion_r60823428
--- Diff:
mllib/src/main/scala/org/apache/spark/ml/clustering/GaussianMixture.scala ---
@@ -104,6 +105,25 @@ class GaussianMixtureModel private[ml] (
@Since("2.0.0")
def gaussians: Array[MultivariateGaussian] = parentModel.gaussians
+ /**
+ * Helper method used in Python.
+ * Retrieve Gaussian distributions as a DataFrame.
+ * Each row represents a Gaussian Distribution.
+ * Two columns are defined: mean and cov.
+ * Schema:
+ * root
+ * |-- mean: vector (nullable = true)
+ * |-- cov: matrix (nullable = true)
+ */
+ def gaussiansDF: DataFrame = {
--- End diff --
Since 2.0.0
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