Function: mean(minus(numbers('xry'), numbers("xyx")), numbers('xry')) if mean(minus(numbers('xry'), numbers("xyx")), numbers('xry')) if numbers('xry') > numbers("xyx") else minus(numbers('xry'), numbers("xyx")) > minus(numbers('xry'), numbers("xyx")) else minus(numbers('xry'), numbers("xyx")) if mean(minus(numbers('xry'), numbers("xyx")), numbers('xry')) > numbers('xry') else mean(minus(numbers('xry'), numbers("xyx")), numbers('xry')) if minus(numbers('xry'), numbers("xyx")) > numbers('xry') else numbers("xyx")
