quantified_features(boolean output, col1, col2, …) – Returns an identified features in a dense array
Platforms: WhereOS, Spark, Hive
Class: hivemall.ftvec.trans.QuantifiedFeaturesUDTF
More functions can be added to WhereOS via Python or R bindings or as Java & Scala UDF (user-defined function), UDAF (user-defined aggregation function) and UDTF (user-defined table generating function) extensions. Custom libraries can be added on via Settings-page or installed from WhereOS Store.