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[SPARK-18625][ML] OneVsRestModel should support setFeaturesCol and setPredictionCol #16059

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[SPARK-18625][ML] OneVsRestModel should support setFeaturesCol and setPredictionCol #16059

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b1a6310
create pr
zhengruifeng Nov 29, 2016
f4b5374
update
zhengruifeng Nov 29, 2016
9de08f2
add test
zhengruifeng Nov 29, 2016
61dcd51
update
zhengruifeng Dec 5, 2016
b45f558
update version
zhengruifeng Dec 5, 2016
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update
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@zhengruifeng
zhengruifeng committed Dec 5, 2016
commit 61dcd51e601a4db69cbacf15334fd41a2a10998d
1 change: 0 additions & 1 deletion mllib/src/main/scala/org/apache/spark/ml/classification/OneVsRest.scala
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Expand Up @@ -184,7 +184,6 @@ final class OneVsRestModel private[ml] (
predictions + ((index, prediction(1)))
}
model.setFeaturesCol($(featuresCol))
model.setPredictionCol($(predictionCol))
val transformedDataset = model.transform(df).select(columns: _*)
val updatedDataset = transformedDataset
.withColumn(tmpColName, updateUDF(col(accColName), col(rawPredictionCol)))
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4 changes: 1 addition & 3 deletions mllib/src/test/scala/org/apache/spark/ml/classification/OneVsRestSuite.scala
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Expand Up @@ -145,9 +145,7 @@ class OneVsRestSuite extends SparkFunSuite with MLlibTestSparkContext with Defau
ovaModel.setPredictionCol("pred")
val transformedDataset = ovaModel.transform(dataset2)
val outputFields = transformedDataset.schema.fieldNames.toSet
assert(outputFields.contains("y"))
assert(outputFields.contains("fea"))
assert(outputFields.contains("pred"))
assert(outputFields === Set("y", "fea", "pred"))
}

test("SPARK-8049: OneVsRest shouldn't output temp columns") {
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