calculate_vcs           Extracts varying coefficient estimates (for
                        SVC, TVC and STVC models).
chaco                   Chaco dry rainforest data (2012-2022)
effect_size             Quantifies the relative effect sizes of each
                        component of zmgcv' GAM model.
evaluate_models         Evaluates multiple models with each predictor
                        variable specified in different ways in order
                        to determining model form
gam_model_rank          Ranks models by AIC, giving the model form for
                        each predictor variable.
