Awsreg                  Spatial clusterwise regression by an iterated
                        spatially weighted regression algorithm
Sareg                   Spatial clusterwise regression by a constrained
                        version of the Simulated Annealing
SimData                 Simulated data for estimating spatial regimes.
SkaterF                 Spatial constrained clusterwise regression by
                        Spatial 'K'luster Analysis by Tree Edge Removal
