Spbsampling             Spatially balanced sampling designs
hpwd                    Heuristic Product Within Distance (Spatially
                        Balanced Sampling Design)
income_emilia           The income of municipalities of "Emilia
                        Romagna".
lucas_abruzzo           LUCAS data for the region "Abruzzo", Italy.
pwd                     Product Within Distance (Spatially Balanced
                        Sampling Design)
sbi                     Spatial Balance Index
simul1                  Simulated Population 1.
simul2                  Simulated Population 2.
simul3                  Simulated Population 3.
stprod                  Standardize a symmetric matrix (distances) to
                        fixed row (column) products
stsum                   Standardize a symmetric matrix (distances) to
                        fixed row (column) totals
swd                     Sum Within Distance (Spatially Balanced
                        Sampling Design)
