Github user felixcheung commented on a diff in the pull request: https://github.com/apache/spark/pull/13584#discussion_r77290933 --- Diff: mllib/src/main/scala/org/apache/spark/ml/r/RWrapperUtils.scala --- @@ -35,13 +35,37 @@ object RWrapperUtils extends Logging { */ def checkDataColumns(rFormula: RFormula, data: Dataset[_]): Unit = { if (data.schema.fieldNames.contains(rFormula.getLabelCol)) { - logWarning("data containing 'label' column, so change its name to avoid conflict") - rFormula.setLabelCol(rFormula.getLabelCol + "_output") + val newLabelName = convertToUniqueName(rFormula.getLabelCol, data.schema.fieldNames) --- End diff -- fair enough. that makes sense, thanks
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