abronia                 Occurrence records of Abronia graminea
bg_by_date              Function to obtain environmental background
                        organized by date
cells2samp              Helper function to randomly select cell IDs for
                        generating environmental background data.
clean_dup               Function to thin longitude and latitude data
clean_dup_by_date       Function to thin occurrence data Cleans up
                        duplicated longitude and latitude data by year
                        using a specified distance threshold. The
                        distance can be specified as a geographic
                        distance or, if a raster_mask is provided, as a
                        pixel distance.
colors                  Colors for plotting
correlation_finder      Function to find strong correlations within
                        environmental predictors
cov_center              Function to compute the covariance matrix of an
                        ellipsoid niche model.
ellipsoid_omr           Compute omission rate and statistical metrics
                        for ellipsoid models.
ellipsoid_projection    ellipsoid_projection: function to project an
                        ellipsoid model
ellipsoid_selection     ellipsoid_selection: Performs models selection
                        for ellipsoid models
ex_by_date              Extract environmental data by date
inEllipsoid             inEllipsoid: Determine if a point is inside or
                        outside an ellipsoid
metaras                 Helper function to obtain layer name from a
                        raster layer
pROC                    Partial ROC calculation for Niche Models
plot_ellipsoid          Function to plot ellipsoid models in E-space
predict,sp.temporal.selection-method
                        Predict the potential distribution of species
                        based on environmental conditions
sp.temporal.bg-class    S3 classes to organize data and results of
                        'tenm' objects
sp.temporal.env-class   S3 classes to organize data and results of
                        'tenm' objects
sp.temporal.modeling-class
                        S3 classes to organize data and results of
                        'tenm' objects
sp.temporal.selection-class
                        S3 classes to organize data and results of
                        'tenm' objects
sp_temporal_data        Function to create a Species Temporal Data
                        object (STD object).
tdf2swd                 Temporal data.frame to Samples With Data format
tenm_selection          Function to find the best n-dimensional
                        ellipsoid model
