Github user GeorgeDittmar commented on a diff in the pull request:
https://github.com/apache/spark/pull/6112#discussion_r30866652
--- Diff: mllib/src/main/scala/org/apache/spark/mllib/linalg/Vectors.scala
---
@@ -717,6 +719,23 @@ class SparseVector(
new SparseVector(size, ii, vv)
}
}
+
+ override def argmax: Int = {
+ if (size == 0) {
+ -1
+ } else {
+ var maxIdx = indices(0)
+ var maxValue = values(0)
+
+ foreachActive { (i, v) =>
--- End diff --
Ok yeah it sounds like I misunderstood the inactive vs active node concept.
I'll get a fix in for that.
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