initcap(str) – Returns `str` with the first letter of each word in uppercase. All other

inline(expr) – Explodes an array of structs into a table. Platforms: WhereOS, Spark, Hive Class:

inline_outer(expr) – Explodes an array of structs into a table. Platforms: WhereOS, Spark, Hive Class:

expr1 in(expr2, expr3, …) – Returns true if `expr` equals to any valN. Platforms: WhereOS,

indexed_features(double v1, double v2, …) – Returns a list of features as array: [1:v1, 2:v2,

infinity() – Returns the constant representing positive infinity. Platforms: WhereOS, Spark, Hive Class: hivemall.tools.math.InfinityUDF More