Repository: spark
Updated Branches:
  refs/heads/branch-2.0 9acf254ed -> 382735c41


[DOCS] Fix Gini and Entropy scaladocs in context of multiclass classification

The PR changes outdated scaladocs for Gini and Entropy classes. Since PR #886 
Spark supports multiclass classification, but the docs tell only about binary 
classification.

Author: Wojciech Jurczyk <[email protected]>

Closes #11252 from wjur/wjur/docs_multiclass.

(cherry picked from commit 6e0b3d795c572a9df589e148c0e55e4eeba7946c)
Signed-off-by: Reynold Xin <[email protected]>


Project: http://git-wip-us.apache.org/repos/asf/spark/repo
Commit: http://git-wip-us.apache.org/repos/asf/spark/commit/382735c4
Tree: http://git-wip-us.apache.org/repos/asf/spark/tree/382735c4
Diff: http://git-wip-us.apache.org/repos/asf/spark/diff/382735c4

Branch: refs/heads/branch-2.0
Commit: 382735c419563cb51e497fd78077670520bb01db
Parents: 9acf254
Author: Wojciech Jurczyk <[email protected]>
Authored: Wed Jun 15 15:58:42 2016 -0700
Committer: Reynold Xin <[email protected]>
Committed: Wed Jun 15 15:58:49 2016 -0700

----------------------------------------------------------------------
 .../main/scala/org/apache/spark/mllib/tree/impurity/Entropy.scala | 3 +--
 .../main/scala/org/apache/spark/mllib/tree/impurity/Gini.scala    | 2 +-
 2 files changed, 2 insertions(+), 3 deletions(-)
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http://git-wip-us.apache.org/repos/asf/spark/blob/382735c4/mllib/src/main/scala/org/apache/spark/mllib/tree/impurity/Entropy.scala
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diff --git 
a/mllib/src/main/scala/org/apache/spark/mllib/tree/impurity/Entropy.scala 
b/mllib/src/main/scala/org/apache/spark/mllib/tree/impurity/Entropy.scala
index ff7700d..3a731f4 100644
--- a/mllib/src/main/scala/org/apache/spark/mllib/tree/impurity/Entropy.scala
+++ b/mllib/src/main/scala/org/apache/spark/mllib/tree/impurity/Entropy.scala
@@ -21,8 +21,7 @@ import org.apache.spark.annotation.{DeveloperApi, 
Experimental, Since}
 
 /**
  * :: Experimental ::
- * Class for calculating 
[[http://en.wikipedia.org/wiki/Binary_entropy_function entropy]] during
- * binary classification.
+ * Class for calculating entropy during multiclass classification.
  */
 @Since("1.0.0")
 @Experimental

http://git-wip-us.apache.org/repos/asf/spark/blob/382735c4/mllib/src/main/scala/org/apache/spark/mllib/tree/impurity/Gini.scala
----------------------------------------------------------------------
diff --git 
a/mllib/src/main/scala/org/apache/spark/mllib/tree/impurity/Gini.scala 
b/mllib/src/main/scala/org/apache/spark/mllib/tree/impurity/Gini.scala
index 58dc79b..7730c0a 100644
--- a/mllib/src/main/scala/org/apache/spark/mllib/tree/impurity/Gini.scala
+++ b/mllib/src/main/scala/org/apache/spark/mllib/tree/impurity/Gini.scala
@@ -23,7 +23,7 @@ import org.apache.spark.annotation.{DeveloperApi, 
Experimental, Since}
  * :: Experimental ::
  * Class for calculating the
  * [[http://en.wikipedia.org/wiki/Decision_tree_learning#Gini_impurity Gini 
impurity]]
- * during binary classification.
+ * during multiclass classification.
  */
 @Since("1.0.0")
 @Experimental


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