weight_voted_avg(expr) – Returns an averaged value by considering sum of positive/negative weights
Platforms: WhereOS, Spark, Hive
Class: hivemall.ensemble.bagging.WeightVotedAvgUDAF
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.