Function: logn(min(mean(numbers('yyx'), numbers('ryy')), numbers('yyx'))) if minus(logn(min(mean(numbers('yyx'), numbers('ryy')), numbers('yyx'))), min(mean(numbers('yyx'), numbers('ryy')), numbers('yyx'))) > mean(numbers('yyx'), numbers('ryy')) else min(mean(numbers('yyx'), numbers('ryy')), numbers('yyx'))
