Github user jkbradley commented on a diff in the pull request:
https://github.com/apache/spark/pull/7652#discussion_r35946086
--- Diff:
mllib/src/main/scala/org/apache/spark/ml/classification/OneVsRest.scala ---
@@ -19,23 +19,24 @@ package org.apache.spark.ml.classification
import java.util.UUID
-import scala.language.existentials
-
import org.apache.spark.annotation.Experimental
import org.apache.spark.ml._
import org.apache.spark.ml.attribute._
+import org.apache.spark.ml.param.shared.HasRawPredictionCol
import org.apache.spark.ml.param.{Param, ParamMap}
import org.apache.spark.ml.util.{Identifiable, MetadataUtils}
import org.apache.spark.mllib.linalg.Vector
-import org.apache.spark.sql.{DataFrame, Row}
import org.apache.spark.sql.functions._
import org.apache.spark.sql.types._
+import org.apache.spark.sql.{DataFrame, Row}
import org.apache.spark.storage.StorageLevel
+import scala.language.existentials
+
/**
* Params for [[OneVsRest]].
*/
-private[ml] trait OneVsRestParams extends PredictorParams {
+private[ml] trait OneVsRestParams extends PredictorParams with
HasRawPredictionCol {
--- End diff --
It will be easier for you if you have OneVsRestParams extend
ClassifierParams. That will include the rawPredictionCol, plus the updated
validateAndTransformSchema method.
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