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[SPARK-7388] [SPARK-7383] wrapper for VectorAssembler in Python
The wrapper required the implementation of the `ArrayParam`, because `Array[T]` is hard to obtain from Python. `ArrayParam` has an extra function called `wCast` which is an internal function to obtain `Array[T]` from `Seq[T]` Author: Burak Yavuz <brkyvz@gmail.com> Author: Xiangrui Meng <meng@databricks.com> Closes #5930 from brkyvz/ml-feat and squashes the following commits: 73e745f [Burak Yavuz] Merge pull request #3 from mengxr/SPARK-7388 c221db9 [Xiangrui Meng] overload StringArrayParam.w c81072d [Burak Yavuz] addressed comments 99c2ebf [Burak Yavuz] add to python_shared_params 39ecb07 [Burak Yavuz] fix scalastyle 7f7ea2a [Burak Yavuz] [SPARK-7388][SPARK-7383] wrapper for VectorAssembler in Python
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- mllib/src/main/scala/org/apache/spark/ml/feature/VectorAssembler.scala 1 addition, 1 deletion...n/scala/org/apache/spark/ml/feature/VectorAssembler.scala
- mllib/src/main/scala/org/apache/spark/ml/param/params.scala 24 additions, 3 deletionsmllib/src/main/scala/org/apache/spark/ml/param/params.scala
- mllib/src/main/scala/org/apache/spark/ml/param/shared/SharedParamsCodeGen.scala 1 addition, 0 deletions...rg/apache/spark/ml/param/shared/SharedParamsCodeGen.scala
- mllib/src/main/scala/org/apache/spark/ml/param/shared/sharedParams.scala 1 addition, 1 deletion...scala/org/apache/spark/ml/param/shared/sharedParams.scala
- python/pyspark/ml/feature.py 41 additions, 2 deletionspython/pyspark/ml/feature.py
- python/pyspark/ml/param/_shared_params_code_gen.py 1 addition, 0 deletionspython/pyspark/ml/param/_shared_params_code_gen.py
- python/pyspark/ml/param/shared.py 29 additions, 0 deletionspython/pyspark/ml/param/shared.py
- python/pyspark/ml/wrapper.py 7 additions, 6 deletionspython/pyspark/ml/wrapper.py
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