![residual sum of squares residual sum of squares](https://i.ytimg.com/vi/eSzrC6KYRXA/maxresdefault.jpg)
Can anyone help me to know what's going on?
![residual sum of squares residual sum of squares](https://i.stack.imgur.com/v5ShX.png)
However, visually it looks fine to have this very high residual value. The square sum of the residues is too high which indicates that the fit is not very good. I'm having a problem with the square sum-of-residues of an fitting.