Github user mengxr commented on a diff in the pull request:
https://github.com/apache/spark/pull/416#discussion_r11668750
--- Diff:
examples/src/main/scala/org/apache/spark/examples/LocalKMeans.scala ---
@@ -58,10 +59,21 @@ object LocalKMeans {
bestIndex
}
+ // TODO: Make this a part of the Vector
+ def squaredDist(a: Vector[Double], b: Vector[Double]): Double = {
+ var ans = 0.0
+ var i = 0
+ while (i < a.length) {
+ ans += (a(i) - b(i)) * (a(i) - b(i))
+ i += 1
+ }
+ ans
+ }
+
def main(args: Array[String]) {
val data = generateData
- var points = new HashSet[Vector]
- var kPoints = new HashMap[Int, Vector]
+ var points = new HashSet[Vector[Double]]
--- End diff --
It would be better if you import `scala.collection.mutable` and use
`mutable.HashSet` and `mutable.HashMap`. Again, this is not related to this PR
...
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