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add_feature_index

add_feature_index(ARRAY[DOUBLE]: dense feature vector) – Returns a feature vector with feature indices

Platforms: WhereOS, Spark, Hive

Class: hivemall.ftvec.AddFeatureIndexUDF

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.

View the complete guide of WhereOS functions.

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add_feature_index

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