aes-coord               Multidimensional coordinate mappings
coord_rect              Cartesian coordinates and plotting window with
                        fixed aspect ratios
depth_median            Depth median
draw-key                Key drawing functions for bivariate intervals.
geom_axis               Axes through or offset from the origin
geom_bagplot            Bagplots
geom_isoline            Isolines (contour lines)
geom_lineranges         Intervals depicting ranges, usually about
                        center points
geom_rule               Rulers through or offset from the origin
geom_text_radiate       Text radiating outward from the origin
geom_vector             Vectors from the origin
gggda-ggproto           ggproto classes created and adapted for gggda
peel_hulls              Bivariate data peelings
stat_bagplot            Bagplots
stat_center             Centers and spreads for bivariate data
stat_chull              Convex hulls and hull peelings
stat_cone               Conical hull
stat_depth              Depth estimates and contours
stat_referent           Transformations with respect to reference data
stat_rule               Construct limited rules offset from the origin
stat_scale              Multiply artificial coordinates by a scale
                        factor
stat_spantree           Calculate a minimum spanning tree among cases
                        or variables
