When I remove outliers my regression design R2 metric drops, model become worse, is that even attainable? Myster OctoberMyster Oct 133 bronze badges 2 This seriously is not the situation. I am not even absolutely sure what situation you are thinking of, but an instance may very well be helpful https://hectornkdvm.mybjjblog.com/not-known-factual-statements-about-thisjav-45842293