convert_label(const int|const float) – Convert from -1|1 to 0.0f|1.0f, or from 0.0f|1.0f to -1|1
Platforms: WhereOS, Spark, Hive
Class: hivemall.tools.ConvertLabelUDF
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.