Inherited from DefaultParamsWritable
Inherited from MLWritable
Inherited from HasOutputCol
Inherited from Estimator[PipelineModel]
Inherited from PipelineStage
Inherited from Logging
Inherited from Params
Inherited from Serializable
Inherited from Serializable
Inherited from Identifiable
Inherited from AnyRef
Inherited from Any
Utility for automatically assembling columns into a vector of features. Takes either all the columns, or a subset of them. For boolean, numeric and vector columns uses default vectorising logic, for string and collection columns applies nominalizers.