Github user srowen commented on a diff in the pull request:
https://github.com/apache/spark/pull/23146#discussion_r237888645
--- Diff:
mllib/src/main/scala/org/apache/spark/ml/classification/LogisticRegression.scala
---
@@ -250,6 +250,66 @@ private[classification] trait LogisticRegressionParams
extends ProbabilisticClas
isSet(lowerBoundsOnIntercepts) || isSet(upperBoundsOnIntercepts)
}
+ /**
+ * The prior multivariate mean (coefficients) for Maximum A Posteriori
(MAP) optimization.
+ * Default is none.
+ *
+ * @group expertParam */
+ @Since("2.4.0")
+ val priorMean: DoubleArrayParam = new DoubleArrayParam(this, "priorMean",
+ "The prior mean used for Prior regularization.")
--- End diff --
These need continuation indents
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