Github user sethah commented on a diff in the pull request:
https://github.com/apache/spark/pull/16722#discussion_r98807054
--- Diff:
mllib/src/main/scala/org/apache/spark/ml/classification/DecisionTreeClassifier.scala
---
@@ -106,14 +122,18 @@ class DecisionTreeClassifier @Since("1.4.0") (
".train() called with non-matching numClasses and
thresholds.length." +
s" numClasses=$numClasses, but thresholds has length
${$(thresholds).length}")
}
-
- val oldDataset: RDD[LabeledPoint] = extractLabeledPoints(dataset,
numClasses)
--- End diff --
Good catch. Actually this problem exists elsewhere (LogisticRegression,
e.g.) What to do you think about adding it back manually here and then
addressing the larger issue in a separate JIRA?
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