Added def transform(ddf: DDF, newColumnNames: Map[String, String]): DDF into FactorIndexer, if newColumnNames is null then it overwrites the columns (previous behavior), otherwise it will create new columns based on the map.
Reviewers: @Huandao0812 @hai-adatao
Breaking changes & backward compatible issues
No
How to test
PR Progress
Make sure all checkboxes below are checked before merged
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Huandao0812
commented
8 years ago
Description and related tickets, documents
Added
def transform(ddf: DDF, newColumnNames: Map[String, String]): DDFintoFactorIndexer, ifnewColumnNamesis null then it overwrites the columns (previous behavior), otherwise it will create new columns based on the map.Reviewers: @Huandao0812 @hai-adatao
Breaking changes & backward compatible issues
No
How to test
PR Progress
Make sure all checkboxes below are checked before merged
prefix/description(see this)