Github user felixcheung commented on a diff in the pull request:
https://github.com/apache/spark/pull/15851#discussion_r87643171
--- Diff: mllib/src/main/scala/org/apache/spark/ml/r/RWrapperUtils.scala ---
@@ -41,5 +41,29 @@ object RWrapperUtils extends Logging {
s"using new name $newFeaturesName instead")
rFormula.setFeaturesCol(newFeaturesName)
}
+
+ if (rFormula.getForceIndexLabel &&
data.schema.fieldNames.contains(rFormula.getLabelCol)) {
+ val newLabelName = s"${Identifiable.randomUID(rFormula.getLabelCol)}"
+ logWarning(s"data containing ${rFormula.getLabelCol} column and we
force to index label, " +
--- End diff --
one concern is this might happen a lot - esp. with libsvm data or similar.
Also this is benign correct? Should we just make this INFO so this won't pop up
as much?
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