Function: max(minus(mean(log(numbers('xry'), numbers("yxx")), numbers('xry')), log(numbers('xry'), numbers("yxx"))), mean(log(numbers('xry'), numbers("yxx")), numbers('xry'))) if log(numbers('xry'), numbers("yxx")) > minus(mean(log(numbers('xry'), numbers("yxx")), numbers('xry')), log(numbers('xry'), numbers("yxx"))) else mean(log(numbers('xry'), numbers("yxx")), numbers('xry'))