Inherited from DefaultParamsWritable
Inherited from MLWritable
Inherited from Transformer
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 used to extract nested values from vectors into dedicated columns. Requires vector metadata and extracts names from where. Typically used as a final stage before results visualization.