Github user MLnick commented on a diff in the pull request:
https://github.com/apache/spark/pull/13076#discussion_r63141737
--- Diff:
mllib/src/main/scala/org/apache/spark/ml/classification/MultilayerPerceptronClassifier.scala
---
@@ -65,22 +63,23 @@ private[ml] trait MultilayerPerceptronParams extends
PredictorParams
"it is adjusted to the size of this data. Recommended size is
between 10 and 1000",
ParamValidators.gt(0))
- /** @group getParam */
+ /** @group expertGetParam */
final def getBlockSize: Int = $(blockSize)
/**
- * Allows setting the solver: minibatch gradient descent (gd) or l-bfgs.
- * l-bfgs is the default one.
+ * The solver algorithm for optimization.
+ * Supported options: "gd" (minibatch gradient descent) or "l-bfgs".
+ * Default: "l-bfgs"
*
* @group expertParam
*/
final val solver: Param[String] = new Param[String](this, "solver",
- " Allows setting the solver: minibatch gradient descent (gd) or
l-bfgs. " +
- " l-bfgs is the default one.",
- ParamValidators.inArray[String](Array("gd", "l-bfgs")))
+ "The solver algorithm for optimization. Supported options: " +
+ s"${MultilayerPerceptronClassifier.supportedSolvers.mkString(", ")}.
(Default l-bfgs)",
+
ParamValidators.inArray[String](MultilayerPerceptronClassifier.supportedSolvers))
- /** @group getParam */
- final def getOptimizer: String = $(solver)
+ /** @group expertGetParam */
+ final def getSolver: String = $(solver)
--- End diff --
This will be a binary incompatible change. It's @Experimental so I guess it
is ok for Spark 2.0 (cc @jkbradley)
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