indexed_features(double v1, double v2, …) – Returns a list of features as array: [1:v1, 2:v2, ..]
Platforms: WhereOS, Spark, Hive
Class: hivemall.ftvec.trans.IndexedFeatures
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.