discretize                         Spatial discretization.
fuzzyoverlay                       Spatial fuzzy overlay.
idsa                               IDSA model with spatial discretization parameters.
loessoptidisc                      Strategy 2: Optimal spatial data discretization for individual
                                   variables based on SPADE model.
optidiscqs1                        Strategy 1: Optimal spatial data discretization for individual
                                   variables based on SPADE model.
plotdisc                           Plot spatial discretization matrix.
qs                                 Power of spatial determinant (PSD).
qs1                                Power of spatial and multilevel discretization determinant (PSMD) of
                                   SPADE model for an individual explanatory variable.
qs2                                Power of interactive determinant for multiple explanatory variables
                                   in IDSA model.
qs2all                             IDSA of all combinations
qsoverlay                          PSD with an overlay variable.
selectaddavar                      Selecting and adding a variable to improve PID.
selectgd                           Selecting optimal interaction for GD model.
selectidsa                         Selecting optimal interaction for IDSA model.
sigratio                           Ratio of significantly different zones.
sim                                Simulation data.
spade                              SPADE model with spatial discretization parameters.
tau                                Spatial dependence parameter.
