H1N1                    Spatial datasets of H1N1 flu incidences
NDVI                    Spatial datasets of vegetation index changes.
disc                    Generates discretization parameters for
                        continuous data.
gd                      Geographical detectors: factor detector.
gdeco                   Geographical detectors: ecological detector.
gdinteract              Geographical detectors: interaction detector.
gdm                     Geographical detectors: a one-step function.
gdrisk                  Geographical detectors: risk detector.
optidisc                Optimal discretization for continuous variables
                        and visualization.
riskmean                Geographical detectors: risk means in risk
                        detector.
sesu                    Comparison of size effects of spatial units.
v2m                     Converts a vector to a lower triangular matrix.
