| abline_range | Add a line to a plot |
| add_regres_line | Add a regression line and confidence band to a plot |
| anova_nlslist | Anova for nlsList |
| plot_gam | Plot a generalized additive model |
| plot_loess | Plot a non-linear or non-parametric regression model |
| plot_nls | Plot a non-linear or non-parametric regression model |
| tidy.nlsList | Tidy method for nlsList |