Function: sum(log(mean(numbers('epe'), numbers('yxy')), numbers('epe')) if divide(log(mean(numbers('epe'), numbers('yxy')), numbers('epe')), mean(numbers('epe'), numbers('yxy'))) > mean(numbers('epe'), numbers('yxy')) else numbers('epe'), divide(log(mean(numbers('epe'), numbers('yxy')), numbers('epe')), mean(numbers('epe'), numbers('yxy'))))
