alpha_scope             Alpha scope: how the fade gradient is
                        normalised across rows
geom_abline_fade        Reference Lines with a Fading Gradient
geom_area_fade          Areas, Densities, and Frequency Polygons with
                        Fading Gradient
geom_catenary           Catenary Curves and Arches
geom_chaikin            Apply Chaikin's corner cutting algorithm to
                        smooth a path
geom_col_fade           Bar Charts with Fading Gradient and Rounded
                        Corners
geom_fourier            Fourier Series Smoothing
geom_gridline           (Grid) Lines Drawn on Top of Other Layers
geom_histogram_fade     Histograms with Fading Gradient
geom_lexis              Lexis diagrams
geom_path_fade          Paths and Lines with a Fading Gradient
geom_point_glow         Points that Glow
geom_pointless          Emphasise some observations with points
geom_rect_fade          Rectangles with a Fading Gradient and Rounded
                        Corners
geom_ridgeline_fade     Ridgeline Plots with Fading Gradient
geom_segment_fade       Line Segments with a Fading Gradient
geom_unit_bar           Unit Bar Charts
geom_unit_histogram     Unit Chart Histograms
label_cells             Axis labeller for unit-cell charts
