Inherited from DefaultParamsWritable
Inherited from MLWritable
Inherited from HasInputCol
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 collect detailed stat for vectors grouped by a certain keys. In addition to common stuff (mean, variance, min/max, norms) calculates percentiles as configured. Resulting dataframe contains only columns from the key and stat columns.