Residuals vs fitted plot
Also written: residual plot, resid vs fitted
A scatter of residuals against fitted values. A shapeless band around zero looks fine; a curve means non-linearity, a funnel means unequal spread, and far-off dots are outliers.
Also written: residual plot, resid vs fitted
A scatter of residuals against fitted values. A shapeless band around zero looks fine; a curve means non-linearity, a funnel means unequal spread, and far-off dots are outliers.