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[MLlib] Add support for BooleanType to VectorAssembler. #5648

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[MLlib] Add support for BooleanType to VectorAssembler. #5648

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4 changes: 2 additions & 2 deletions mllib/src/main/scala/org/apache/spark/ml/feature/VectorAssembler.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -55,7 +55,7 @@ class VectorAssembler extends Transformer with HasInputCols with HasOutputCol {
schema(c).dataType match {
case DoubleType => UnresolvedAttribute(c)
case t if t.isInstanceOf[VectorUDT] => UnresolvedAttribute(c)
case _: NumericType =>
case _: NumericType | BooleanType =>
Alias(Cast(UnresolvedAttribute(c), DoubleType), s"${c}_double_$uid")()
}
}
Expand All @@ -68,7 +68,7 @@ class VectorAssembler extends Transformer with HasInputCols with HasOutputCol {
val outputColName = map(outputCol)
val inputDataTypes = inputColNames.map(name => schema(name).dataType)
inputDataTypes.foreach {
case _: NumericType =>
case _: NumericType | BooleanType =>
case t if t.isInstanceOf[VectorUDT] =>
case other =>
throw new IllegalArgumentException(s"Data type $other is not supported.")
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