Github user chouqin commented on a diff in the pull request:
https://github.com/apache/spark/pull/2595#discussion_r18317071
--- Diff:
mllib/src/main/scala/org/apache/spark/mllib/tree/impl/DTStatsAggregator.scala
---
@@ -159,161 +166,15 @@ private[tree] abstract class DTStatsAggregator(
* This method modifies this aggregator in-place.
*/
def merge(other: DTStatsAggregator): DTStatsAggregator = {
- require(allStatsSize == other.allStatsSize,
+ require(statsSize == other.statsSize,
s"DTStatsAggregator.merge requires that both aggregators have the
same length stats vectors."
- + s" This aggregator is of length $allStatsSize, but the other is
${other.allStatsSize}.")
+ + s" This aggregator is of length $statsSize, but the other is
${other.statsSize}.")
var i = 0
// TODO: Test BLAS.axpy
- while (i < allStatsSize) {
+ while (i < statsSize) {
--- End diff --
Thank you very much, this is the bug that cause pyspark unit test to fail.
I am really sorry for getting you into trouble.
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