Function: noise(numbers('yxy')) if minus(noise(numbers('yxy')), numbers('yxy')) > noise(numbers('yxy')) if numbers('yxy') > numbers('epe') else minus(noise(numbers('yxy')), numbers('yxy')) else mean(minus(noise(numbers('yxy')), numbers('yxy')) if numbers('yxy') > noise(numbers('yxy')) else numbers('epe'), minus(noise(numbers('yxy')), numbers('yxy')))