Function: noise(sum(mean(log(minus(numbers("xxr"), numbers("xyx")), numbers("xxr")) if numbers("xyx") > numbers("xxr") else minus(numbers("xxr"), numbers("xyx")), log(minus(numbers("xxr"), numbers("xyx")), numbers("xxr"))), log(minus(numbers("xxr"), numbers("xyx")), numbers("xxr")) if minus(numbers("xxr"), numbers("xyx")) > numbers("xyx") else numbers("xxr")))
