argmin_kld


argmin_kld(float mean, float covar) – Returns mean or covar that minimize a KL-distance among distributions

The returned value is (1.0 / (sum(1.0 / covar))) * (sum(mean / covar)

Platforms: WhereOS, Spark, Hive
Class: hivemall.ensemble.ArgminKLDistanceUDAF

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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