Function: mean(band pass(minus(numbers('epe'), numbers("yyy"))) if numbers('epe') > minus(numbers('epe'), numbers("yyy")) else numbers("yyy") if numbers('epe') > minus(numbers('epe'), numbers("yyy")) else band pass(minus(numbers('epe'), numbers("yyy"))), band pass(minus(numbers('epe'), numbers("yyy"))) if numbers("yyy") > minus(numbers('epe'), numbers("yyy")) else numbers('epe'))
