Github user srowen commented on a diff in the pull request:
https://github.com/apache/spark/pull/10384#discussion_r48061563
--- Diff:
mllib/src/main/scala/org/apache/spark/mllib/evaluation/RegressionMetrics.scala
---
@@ -31,13 +30,17 @@ import org.apache.spark.sql.DataFrame
*/
@Since("1.2.0")
class RegressionMetrics @Since("1.2.0") (
- predictionAndObservations: RDD[(Double, Double)]) extends Logging {
+ predictionAndObservations: RDD[(Double, Double)], isUnbiased: Boolean
= true)
+ extends Logging {
/**
* An auxiliary constructor taking a DataFrame.
* @param predictionAndObservations a DataFrame with two double columns:
* prediction and observation
*/
+ def this(predictionAndObservations: RDD[(Double, Double)]) =
+ this(predictionAndObservations: RDD[(Double, Double)], true)
--- End diff --
Why does `predictionAndObservations` need a type in this invocation?
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