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| author | 颜发才（Yan Facai） <facai.yan@gmail.com> | 2017-03-28 16:14:01 -0700 |
|---|---|---|
| committer | Joseph K. Bradley <joseph@databricks.com> | 2017-03-28 16:14:01 -0700 |
| commit | 7d432af8f3c47973550ea253dae0c23cd2961bde (patch) | |
| tree | 95a8546b688bd5aed191c9d9061ac8c96e41f51e /mllib/src/main | |
| parent | 92e385e0b55d70a48411e90aa0f2ed141c4d07c8 (diff) | |
| download | spark-7d432af8f3c47973550ea253dae0c23cd2961bde.tar.gz spark-7d432af8f3c47973550ea253dae0c23cd2961bde.tar.bz2 spark-7d432af8f3c47973550ea253dae0c23cd2961bde.zip | |
[SPARK-20043][ML] DecisionTreeModel: ImpurityCalculator builder fails for uppercase impurity type Gini
Fix bug: DecisionTreeModel can't recongnize Impurity "Gini" when loading
TODO:
+ [x] add unit test
+ [x] fix the bug
Author: 颜发才（Yan Facai） <facai.yan@gmail.com>
Closes #17407 from facaiy/BUG/decision_tree_loader_failer_with_Gini_impurity.
Diffstat (limited to 'mllib/src/main')
| -rw-r--r-- | mllib/src/main/scala/org/apache/spark/mllib/tree/impurity/Impurity.scala | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/mllib/src/main/scala/org/apache/spark/mllib/tree/impurity/Impurity.scala b/mllib/src/main/scala/org/apache/spark/mllib/tree/impurity/Impurity.scala index a5bdc2c6d2..98a3021461 100644 --- a/mllib/src/main/scala/org/apache/spark/mllib/tree/impurity/Impurity.scala +++ b/mllib/src/main/scala/org/apache/spark/mllib/tree/impurity/Impurity.scala @@ -184,7 +184,7 @@ private[spark] object ImpurityCalculator { * the given stats. */ def getCalculator(impurity: String, stats: Array[Double]): ImpurityCalculator = { - impurity match { + impurity.toLowerCase match { case "gini" => new GiniCalculator(stats) case "entropy" => new EntropyCalculator(stats) case "variance" => new VarianceCalculator(stats) |