Github user hzlyx commented on a diff in the pull request:
https://github.com/apache/spark/pull/3791#discussion_r22268406
--- Diff: mllib/src/main/scala/org/apache/spark/mllib/linalg/Vectors.scala
---
@@ -173,11 +173,13 @@ object Vectors {
* Creates a sparse vector providing its index array and value array.
*
* @param size vector size.
- * @param indices index array, must be strictly increasing.
- * @param values value array, must have the same length as indices.
+ * @param indices index array.
+ * @param values value array.
*/
- def sparse(size: Int, indices: Array[Int], values: Array[Double]):
Vector =
- new SparseVector(size, indices, values)
+ def sparse(size: Int, indices: Array[Int], values: Array[Double]):
Vector = {
+ val (newIndices, newValues) = indices.zip(values).sortBy(_._1).unzip
--- End diff --
I agree with your method. At least a error should be reported, otherwise
it's hard to locate problems in applications.
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