| add_3d_surface | Add 3D regression surface to a plot_ly object |
| add_direction | A flexible function to add a line of predicted effects to the plotly surface with optional confidence intervals. |
| add_jitter | Jitter scattercloud points |
| add_marginals | Add 3d marginal effects to a plot_ly object |
| cali_counties | County level voting and demographics data for California counties. |
| county_data | County level voting and demographics data. |
| create_surface_data | Create data frame used to plot a surface of predicted y values |
| create_y_estimates | Create predicted y values from a data frame of x values. |
| hair_data | Simulated hair length data |