SpatialProba            Virtual species probability of occurrence
Worldclim_tmp           A subset of WorldClim bioclimatic variables
optimRes                Get optimal resolution of the sampling grid
paSampling              Sampling pseudo-absences for the training and
                        testing datasets.
rastPCA                 Principal Component Analysis for Rasters
thresh.inspect          Inspect the effect of the kernel threshold
                        parameter on the environmental space
                        partitioning
uniformSampling         Uniform sampling of the environmental space
