Function: noise(numbers('ryy')) if numbers("per") > numbers('ryy') else numbers('rrr') if noise(numbers('ryy')) if numbers("per") > numbers('rrr') else numbers('ryy') if numbers('ryy') > mean(noise(numbers('ryy')) if numbers('rrr') > numbers("per") else numbers('ryy'), noise(numbers('ryy'))) else noise(numbers('ryy')) > noise(numbers('ryy')) else mean(numbers("per") if numbers('rrr') > noise(numbers('ryy')) else numbers('ryy'), noise(numbers('ryy')))