add_anchor              A ggproto for drawing anchor points
add_anno                A ggproto for annotating the symmetry of the
                        starting points
add_dir_search          A ggproto for drawing directional search points
add_end                 A ggproto for drawing start points
add_interp              A ggproto for drawing interpolation path
add_interp_last         A ggproto for drawing finish points
add_interrupt           A ggproto for annotating the interrupted path
add_search              A ggproto for drawing search points
add_space               A ggproto for drawing circle
add_start               A ggproto for drawing start points
add_theo                A ggproto for drawing the theoretical basis, if
                        applicable
bind_random             Bind random bases in the projection bases space
bind_random_matrix      Bind random bases in the projection bases space
                        as a matrix
bind_theoretical        Bind the theoretical best record
botanical_palettes      A customised colour palette based on Australian
                        botanies
clean_method            Clean method names
explore_space_start     Plot the PCA projection of the projection bases
                        space
explore_space_tour      Plot the grand tour animation of the bases
                        space in high dimension
explore_trace_interp    Plot the trace the search progression
explore_trace_search    Plot the count in each iteration
flip_sign               Helper functions for 'explore_space_pca()'
format_label            Better label formatting to avoid overlapping
get_best                Functions to get components from the data
                        collecting object
holes_1d_geo            Data objects collected during the projection
                        pursuit optimisation
plot_projection         Plot the projection from the optimisation data
                        collected from projection pursuit
sample_bases            Function to calculate smoothness and
                        squintability
scale_color_continuous_botanical
                        continuous scale colour function
sine1000                Simulated sine, pipe, and gaussian mixture
theme_fern              A specific theme for trace plots
