logloss(double predicted, double actual) – Return a Logrithmic Loss Platforms: WhereOS, Spark, Hive Class: hivemall.evaluation.LogarithmicLossUDAF

locate(substr, str[, pos]) – Returns the position of the first occurrence of `substr` in `str`

log(base, expr) – Returns the logarithm of `expr` with `base`. Platforms: WhereOS, Spark, Hive Class:

log10(expr) – Returns the logarithm of `expr` with base 10. Platforms: WhereOS, Spark, Hive Class:

log1p(expr) – Returns log(1 + `expr`). Platforms: WhereOS, Spark, Hive Class: org.apache.spark.sql.catalyst.expressions.Log1p More functions can

str like pattern – Returns true if str matches pattern, null if any arguments are