A.delicatus_crs         Afrixalus delicatus genetic groups projection
A.delicatus_ext         Afrixalus delicatus genetic groups extent
A.delicatus_matrix      Afrixalus delicatus genetic groups
A.sylvaticus_crs        Afrixalus sylvaticus genetic groups projection
A.sylvaticus_ext        Afrixalus sylvaticus genetic groups extent
A.sylvaticus_matrix     Afrixalus sylvaticus genetic groups
L.concolor_crs          Leptopelis concolor genetic groups projection
L.concolor_ext          Leptopelis concolor genetic groups extent
L.concolor_matrix       Leptopelis concolor genetic groups
L.flavomaculatus_crs    Leptopelis flavomaculatus genetic groups
                        projection
L.flavomaculatus_ext    Leptopelis flavomaculatus genetic groups extent
L.flavomaculatus_matrix
                        Leptopelis flavomaculatus genetic groups
T.cristatus_crs         Triturus cristatus genetic groups projection
T.cristatus_ext         Triturus cristatus genetic groups extent
T.cristatus_matrix      Triturus cristatus genetic groups
average_min_distance    Average minimum distance between boundary
                        elements of two variables
average_min_x_to_y      Average minimum distance from x boundary
                        elements to nearest y boundary element.
boundary_null_distrib   Null distribution for overlap statistics
categorical_boundary    Define the boundary elements of a SpatRaster
                        with categorical data
define_boundary         Define the boundary elements of a SpatRaster
                        with numeric data or boundary intensities
ecoregions_crs          Ecoregion data for East Africa projection
ecoregions_ext          Ecoregion data for East Africa extent
ecoregions_matrix       Ecoregion data for East Africa
gauss_random_field_sim
                        Gaussian random field neutral model
grassland_crs           Grassland land cover projection
grassland_ext           Grassland land cover extent
grassland_matrix        Grassland land cover
longest_boundary        Length of the longest boundary
mod_random_clust_sim    Modified random cluster neutral landscape model
n_boundaries            Number of boundaries
n_overlap_boundaries    Direct overlap between boundary elements.
overlap_null_distrib    Null distribution for boundary overlap
                        statistics
plot_boundary           Map the boundary elements of two raster layers
random_raster_sim       Stochastic neutral landscape model
sobel_operator          Sobel-Feldman operator for edge detection
