Function: cos(numbers("yxx") if numbers("yxx") if numbers('yxr') > numbers('xyy') else numbers("yxx") > mean(numbers('xyy') if numbers('yxr') > numbers("yxx") else numbers("yxx"), numbers("yxx")) else sqrt(mean(numbers('xyy') if numbers("yxx") > numbers("yxx") else numbers('yxr'), numbers("yxx"))))
