Github user hhbyyh commented on a diff in the pull request:
https://github.com/apache/spark/pull/17407#discussion_r108094126
--- Diff:
mllib/src/test/scala/org/apache/spark/ml/classification/DecisionTreeClassifierSuite.scala
---
@@ -385,6 +385,22 @@ class DecisionTreeClassifierSuite
testEstimatorAndModelReadWrite(dt, continuousData, allParamSettings ++
Map("maxDepth" -> 0),
allParamSettings ++ Map("maxDepth" -> 0), checkModelData)
}
+
+ test("SPARK-20043: " +
+ "ImpurityCalculator builder fails for uppercase impurity type Gini
in model read/write") {
+ val rdd = TreeTests.getTreeReadWriteData(sc)
+
+ val data: DataFrame =
+ TreeTests.setMetadata(rdd, Map.empty[Int, Int], numClasses = 2)
+
+ val dt = new DecisionTreeClassifier()
+ .setImpurity("Gini")
+ .setMaxDepth(2)
+
+ val model = dt.fit(data)
+
--- End diff --
The blank lines kinda stand out.
---
If your project is set up for it, you can reply to this email and have your
reply appear on GitHub as well. If your project does not have this feature
enabled and wishes so, or if the feature is enabled but not working, please
contact infrastructure at [email protected] or file a JIRA ticket
with INFRA.
---
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
