# Spatially Balanced Samples of Spatial Objects

## Documentation for package ‘SDraw’ version 2.1.13

- DESCRIPTION file.
- User guides, package vignettes and other documentation.

## Help Pages

BAS-package | Selection of spatially balanced samples.
HAL-package | Selection of spatially balanced samples.
SDraw-package | Selection of spatially balanced samples.
SSS-package | Selection of spatially balanced samples.
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.
getJ | getJ
GRTS | Selection of spatially balanced samples.
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.
halton | Compute points in the Halton sequence.
halton.coefficients | halton.coefficients
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.
HI.coast | SpatialLinesDataFrame of the coastline of Hawaii, USA
hip.lattice.polygon | Halton Iterative Partition lattice inside a 'bbox' (bounding box) matrix object.
hip.plot.lattice | Plot a Halton Lattice over a polygon resource
hip.point | hip.point - Halton Iterative Partition (HIP) of point resources.
hip.polygon | Draws a Halton Iterative Partition (HIP) sample from a continuous 2-dimensional (polygon) resource.
lineLength | Line length
maxU | Maximum integer used in the BAS routines
plotLattice | plotLattice
plotSample | Plot sample and frame
polygonArea | Polygon area
primes | Prime numbers
SDraw | Selection of spatially balanced samples.
sdraw | Sample draws from spatial objects.
sdraw-method | Sample draws from spatial objects.
sdraw.SpatialLines | Sample draws from spatial objects.
sdraw.SpatialPoints | Sample draws from spatial objects.
sdraw.SpatialPolygons | Sample draws from spatial objects.
SRS | Selection of spatially balanced samples.
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
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
_PACKAGE | Selection of spatially balanced samples.