describe_nonlinear      Describe the smooth term (for GAMs) or
                        non-linear predictors
estimate_contrasts      Estimate Marginal Contrasts
estimate_expectation    Model-based response estimates and uncertainty
estimate_grouplevel     Group-specific parameters of mixed models
                        random effects
estimate_means          Estimate Marginal Means (Model-based average at
                        each factor level)
estimate_slopes         Estimate Marginal Effects
find_inversions         Find points of inversion
get_emcontrasts         Easy 'emmeans' and 'emtrends'
get_marginaleffects     Easy marginaleffects
smoothing               Smoothing a vector or a time series
visualisation_matrix    Create a reference grid
visualisation_recipe.estimate_grouplevel
                        Visualisation Recipe for 'modelbased' Objects
zero_crossings          Find zero crossings of a vector
