atan [WhereOS, SQL, Spark, Hive]

Class org.apache.spark.sql.catalyst.expressions.Atan
Usage atan(expr) - Returns the inverse tangent (a.k.a. arc tangent) of `expr`, as if computed by `java.lang.Math.atan`

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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