SROwen code review comments

apache · Jul 13, 2015 · 1a3d098 · 1a3d098
1 parent 08a0e1b
commit 1a3d098
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/mllib/src/main/scala/org/apache/spark/mllib/evaluation/RegressionMetrics.scala b/mllib/src/main/scala/org/apache/spark/mllib/evaluation/RegressionMetrics.scala
@@ -59,7 +59,7 @@ class RegressionMetrics(predictionAndObservations: RDD[(Double, Double)]) extend
     val yMean = summary.mean(0)
     predictionAndObservations.map {
       case (prediction, _) => math.pow(prediction - yMean, 2)
-    }.reduce(_ + _)
+    }.sum()
   }
 
   /**