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l2_norm(double x) – Return a L2 norm of the given input x. WITH input as

json_map(json) – Returns a map of key-value pairs from a JSON string Platforms: WhereOS, Spark,

json_split(json) – Returns a array of JSON strings from a JSON Array Platforms: WhereOS, Spark,

json_tuple(jsonStr, p1, p2, …, pn) – Returns a tuple like the function get_json_object, but it

kld(double mu1, double sigma1, double mu2, double sigma2) – Returns KL divergence between two distributions

jobid() – Returns the value of mapred.job.id Platforms: WhereOS, Spark, Hive Class: hivemall.tools.mapred.JobIdUDF More functions