| assign_colors | Assign Colors Based on Tertiles |
| calculate_tertiles | Calculate Tertiles for Bivariate Variables |
| calculate_tertile_breaks | Calculate Tertile Breaks |
| create_bivariate_map | Create Bivariate Choropleth Map |
| create_default_color_matrix | Create Default Color Matrix for Bivariate Choropleth |
| dc_data | Washington DC Census Tract Data |
| generate_legend_html | Generate Legend HTML |