Github user MechCoder commented on a diff in the pull request:
https://github.com/apache/spark/pull/6112#discussion_r31036316
--- Diff: mllib/src/main/scala/org/apache/spark/mllib/linalg/Vectors.scala
---
@@ -717,6 +719,49 @@ class SparseVector(
new SparseVector(size, ii, vv)
}
}
+
+ override def argmax: Int = {
+ if (size == 0) {
+ -1
+ } else {
+
+ var maxIdx = 0
+ var maxValue = if(indices(0) != 0) 0.0 else values(0)
--- End diff --
Hmm. I understand the logic but it might be not that obvious.
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