Github user srowen commented on a diff in the pull request:
https://github.com/apache/spark/pull/12922#discussion_r62159094
--- Diff:
mllib/src/main/scala/org/apache/spark/mllib/evaluation/binary/BinaryClassificationMetricComputers.scala
---
@@ -24,6 +24,19 @@ private[evaluation] trait
BinaryClassificationMetricComputer extends Serializabl
def apply(c: BinaryConfusionMatrix): Double
}
+/** Accuracy. Defined as 1.0 where there are zero no positive and negative
examples. */
+private[evaluation] object Accuracy extends
BinaryClassificationMetricComputer {
+ override def apply(c: BinaryConfusionMatrix): Double = {
--- End diff --
Nit: extra space after override. You could also pull totalTrue into the
else block.
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