Github user mengxr commented on a diff in the pull request:
https://github.com/apache/spark/pull/1727#discussion_r15725482
--- Diff:
mllib/src/main/scala/org/apache/spark/mllib/api/python/PythonMLLibAPI.scala ---
@@ -459,6 +466,76 @@ class PythonMLLibAPI extends Serializable {
}
/**
+ * Java stub for Python mllib DecisionTree.train().
+ * This stub returns a handle to the Java object instead of the content
of the Java object.
+ * Extra care needs to be taken in the Python code to ensure it gets
freed on exit;
+ * see the Py4J documentation.
+ * @param dataBytesJRDD Training data
+ * @param categoricalFeaturesInfoJMap Categorical features info, as
Java map
+ */
+ def trainDecisionTreeModel(
+ dataBytesJRDD: JavaRDD[Array[Byte]],
+ algoStr: String,
+ numClasses: Int,
+ categoricalFeaturesInfoJMap: java.util.Map[Int,Int],
--- End diff --
add space after `,`
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