HI.coast                SpatialLinesDataFrame of the coastline of
                        Hawaii, USA
SDraw-package           Selection of spatially balanced samples.
WA                      SpatialPolygonsDataFrame for the state of
                        Washington, USA
WA.cities               SpatialPointsDataFrame of cities in Washington
                        state, USA
WY                      SpatialPolygonsDataFrame of counties in the
                        state of Wyoming, USA
bas.line                Draws a Balanced Acceptance Sample (BAS) from a
                        linear resource (line).
bas.point               Draws a Balanced Acceptance Sample (BAS) from a
                        discrete resource (points).
bas.polygon             Draws a Balanced Acceptance Sample (BAS) from
                        an area resource (polygons).
extended.gcd            Extended Greatest Common Denominator (GCD)
                        algorithm.
grts.line               Draw a equi-probable GRTS sample from a linear
                        (line) resource.
grts.point              Draw a equi-probable GRTS sample from a
                        discrete (point) resource.
grts.polygon            Draw a equi-probable GRTS sample from an area
                        (polygon) resource.
hal.line                Draws a Halton Lattice sample from a linear
                        (line) resource .
hal.point               Draws a Halton Lattice sample from a discrete
                        (point) resource.
hal.polygon             Draws a Halton Lattice sample from an area
                        (polygon) resource.
halton                  Compute points in the Halton sequence.
halton.frame            Construct a Halton sampling frame.
halton.indices          Halton indices
halton.indices.CRT      Halton indices by the Chinese Remainder Theorem
                        (CRT)
halton.indices.vector   Halton indices for an entire vector of
                        coordinates
halton.lattice          Halton lattice inside a rectangle
halton.lattice.polygon
                        Halton lattice inside a 'SpatialPolygon*'
                        object.
lineLength              Line length
maxU                    Maximum integer used in the BAS routines
plotSample              Plot sample and frame
polygonArea             Polygon area
primes                  Prime numbers
sdraw                   Sample draws from spatial objects.
srs.line                Draw a Simple Random Sample (SRS) from a linear
                        resource.
srs.point               Draw a Simple Random Sample (SRS) from a point
                        resource or finite population frame.
srs.polygon             Draws a Simple Random Sample (SRS) from an area
                        resource (polygons).
sss.line                Draw a Simple Systematic Sample (SSS) from a
                        linear resource.
sss.point               Draw a Simple Systematic Sample (SSS) from a
                        point resource or finite population frame.
sss.polygon             Draws a Simple Systematic Sample (SSS) from an
                        area resource (polygons).
voronoi.polygons        Calculate Voronoi polygons for a set of points
