bin_continuous          Bin a continuous variable into discrete levels
find_crossings          Find Crossing Regions Between Interaction
                        Surfaces
interaction_surface     Interactive 3D Surface Plot for Multi-Factor
                        Interactions
interaction_surface_grid
                        Generate All Pairwise Interaction Surface Plots
make_prediction_grid    Build a prediction grid over two focal
                        variables
plot_crossings          Plot Crossing Regions as a Standalone 3D
                        Scatter
sim_factorial           Simulate a Multi-Factor Experimental Dataset
