Github user feynmanliang commented on a diff in the pull request:
https://github.com/apache/spark/pull/7095#discussion_r33527629
--- Diff: python/pyspark/ml/regression.py ---
@@ -239,7 +243,36 @@ def getImpurity(self):
return self.getOrDefault(self.impurity)
-class DecisionTreeRegressionModel(JavaModel):
+@inherit_doc
+class DecisionTreeModel(JavaModel):
+
+ @property
+ def numNodes(self):
+ """Return number of nodes of the decision tree."""
+ return self._call_java("numNodes")
+
+ @property
+ def depth(self):
+ """Return depth of the decision tree."""
+ return self._call_java("depth")
+
+ def __repr__(self):
+ return self._call_java("toString")
+
+
+@inherit_doc
+class treeEnsembleModels(JavaModel):
--- End diff --
"*T*reeEnsembleModel"
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