| gg_boxcox | Plot boxcox graph in ggplot with suggested lambda transformation |
| gg_cooksd | Plot cook's distance graph |
| gg_diagnose | Plot all diagnostic plots given fitted linear regression line. |
| gg_qqplot | Plot quantile-quantile plot (QQPlot) in ggplot with qqline shown. |
| gg_resfitted | Generate residual plot of residuals against fitted value |
| gg_reshist | Generate histogram of residuals in ggplot. |
| gg_resleverage | Plot residual versus leverage plot in ggplot. |
| gg_resX | Generate residual plot of residuals against predictors |
| gg_scalelocation | Plot scale-location (also called spread-location plot) in ggplot. |
| plot_all | Plot all given plots in a square matrix form. |