train_slim


train_slim( int i, map r_i, map> topKRatesOfI, int j, map r_j [, constant string options]) – Returns row index, column index and non-zero weight value of prediction model

Platforms: WhereOS, Spark, Hive
Class: hivemall.recommend.SlimUDTF

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.

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