clean                   Uniformize raster layers.
create.east             Create eastness layer.
create.lat              Create latitude layer.
create.long             Create longitude layer.
create.north            Create northness layer.
distance                Create distance layer.
eoo                     Extent of Occurrence (EOO).
gecko.examples          Example data packaged with *gecko*
map.draw                Map creation.
move                    Move records to closest non-NA cell.
outliers                Visual detection of outliers.
reduce                  Reduce dimensionality of raster layers.
thin                    Spatial thinning of occurrence records.
