
| Term | Description |
|---|---|
| MSE | mean square error |
R2 is also known as the coefficient of determination.

| Term | Description |
|---|---|
| yi | i th observed response value |
| mean response |
| i th fitted response |

While the calculations for adjusted R2 can produce negative values, Minitab displays zero for these cases.
| Term | Description |
|---|---|
![]() | ith observed response value |
![]() | ith fitted response |
![]() | mean response |
| n | number of observations |
| p | number of terms in the model |