Github user Mageswaran1989 commented on a diff in the pull request:
https://github.com/apache/spark/pull/7357#discussion_r38063538
--- Diff: mllib/src/main/scala/org/apache/spark/mllib/linalg/Vectors.scala
---
@@ -692,6 +744,29 @@ class SparseVector @Since("1.0.0") (
private[spark] override def toBreeze: BV[Double] = new
BSV[Double](indices, values, size)
+ private[spark] override def mapActiveValues(f: Double => Double): Vector
=
+ new SparseVector(size, indices.clone(), values.map(f))
+
+ private[spark] def mapActivePairs(f: (Int, Double) => Double): Vector = {
--- End diff --
I am learning Scala. Could you please explain how this maps only the active
pairs?
what is happening in the line no: 756
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