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fmeasure(array|int|boolean actual, array|int| boolean predicted [, const string options]) – Return a F-measure (f1score is the special with beta=1.0)

Platforms: WhereOS, Spark, Hive
Class: hivemall.evaluation.FMeasureUDAF

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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