GuideBivariate          Bivariate colour guide
GuideGlyph              Drop glyph guide
GuideVSUP               VSUP guide
ScaleBivariate          Bivariate colour scale constructor
ScaleVSUP               Value-Suppressing Uncertainty Palette (VSUP)
                        scale
StatPixel               Pixel map
bivar_fade_palette      Colour fading palette
bivar_palette           Colour blending palette
duo                     Format input and assign the "map" class
geom_sf_dualmap         Dual map
geom_sf_glyph           Glyph map
manual_bivariate_scale
                        Create your own bivariate colour scale
nc                      North Carolina SIDS data
scale_fill_pixel        Pixel fill scale
vsup_palette            Value-Suppressing Uncertainty Palettes
vsup_quantize           Tree quantization for VSUPs
