# Spatial Analysis and Modelling Utilities

## Documentation for package ‘spatialEco’ version 2.0-2

- DESCRIPTION file.
- Package NEWS.

## Help Pages

A B C D E F G H I K L M N O P Q R S T V W

## -- A --

all_pairwise | All pairwise combinations
annulus.matrix | Annulus matrix
ants | Ant Biodiversity Data
aspline.downscale | Raster Downscale using adaptive regression splines

## -- B --

background | Background sample
bbox_poly | Bounding box polygon
bearing.distance | Bearing and Distance
breeding.density | Breeding density areas (aka, core habitat areas)
built.index | built index

## -- C --

cgls_urls | Provide URL's for Copernicus Global Land Service datasets
chae | Canine-Human Age Equivalent
chen | Cross-correlation data from Chen (2015)
classBreaks | Class breaks
collinear | Collinearity test
combine | raster combine
concordance | Concordance test for binomial models
conf.interval | Confidence interval for mean or median
cor.data | Various correlation structures
correlogram | Correlogram
cross.tab | Class comparison between two nominal rasters
crossCorrelation | Spatial cross correlation
csi | Cosine Similarity Index
curvature | Surface curvature

## -- D --

dahi | Diurnal Anisotropic Heat Index
date_seq | date sequence
daymet.point | DAYMET point values
daymet.tiles | DAYMET Tile ID's
dispersion | Dispersion (H-prime)
dissection | Dissection
divergence | divergence

## -- E --

effect.size | Cohen's-d effect size
elev | Elevation raster
erase.point | Erase points
extract.vertices | Extract vertices for polygons or lines

## -- F --

fuzzySum | Fuzzy Sum

## -- G --

gaussian.kernel | Gaussian Kernel
geo.buffer | Buffer geographic data
group.pdf | Probability density plot by group

## -- H --

hexagons | Hexagons
hli | Heat Load Index
hli.pt | Point estimate of Heat Load Index
hsp | Hierarchical Slope Position
hybrid.kmeans | Hybrid K-means

## -- I --

idw.smoothing | Inverse Distance Weighted smoothing
impute.loess | Impute loess
insert | Insert a row or column into a data.frame
insert.values | Insert Values
is.empty | is.empty

## -- K --

kendall | Kendall tau trend with continuity correction for time-series
kl.divergence | Kullback-Leibler divergence (relative entropy)
knn | Spatial K nearest neighbor

## -- L --

lai | Leaf Area Index
local.min.max | Local minimum and maximum
loess.boot | Loess Bootstrap
loess.ci | Loess with confidence intervals
logistic.regression | Logistic and Auto-logistic regression

## -- M --

max_extent | Maximum extent of multiple rasters
mean_angle | Mean Angle
moments | moments
morans.plot | Autocorrelation Plot

## -- N --

nni | Average Nearest Neighbor Index (NNI)
nth.values | Nth values

## -- O --

o.ring | Inhomogeneous O-ring
oli.asw | Query AWS-OLI
optimal.k | optimalK
optimized.sample.variance | Optimized sample variance
outliers | Outliers
overlap | Niche overlap (Warren's-I)

## -- P --

parea.sample | Percent area sample
parse.bits | Parse bits
partial.cor | Partial and Semi-partial correlation
plot.effect.size | Plot effect size
plot.loess.boot | Plot Loess Bootstrap
poly.regression | Local Polynomial Regression
polyPerimeter | Polygon perimeter
poly_trend | Polynomial trend
pp.subsample | Point process random subsample
print.cross.cor | Print spatial cross correlation
print.effect.size | Print effect size
print.loess.boot | Print Loess bootstrap model
print.poly.trend | Print poly_trend
proximity.index | Proximity Index
pseudo.absence | Pseudo-absence random samples
pu | Biodiversity Planning Units

## -- Q --

quadrats | Quadrats

## -- R --

random.raster | Random raster
raster.change | Raster change between two nominal rasters
raster.deviation | Raster local deviation from the global trend
raster.downscale | Raster Downscale
raster.entropy | Raster Entropy
raster.gaussian.smooth | Gaussian smoothing of raster
raster.invert | Invert raster
raster.kendall | Kendall tau trend with continuity correction for raster time-series
raster.mds | Raster multidimensional scaling (MDS)
raster.modified.ttest | Dutilleul moving window bivariate raster correlation
raster.moments | Raster moments
raster.transformation | Statistical transformation for rasters
raster.vol | Raster Percent Volume
raster.Zscore | Modified z-score for a raster
rasterCorrelation | Raster correlation
rasterDistance | Raster Distance
remove.holes | Remove or return polygon holes
remove_duplicates | Remove duplicate geometries
rm.ext | Remove extension
rotate.polygon | Rotate polygon

## -- S --

sa.trans | Trigonometric transformation of a slope and aspect interaction
sample.annulus | Sample annulus
sampleTransect | Sample transect
sar | Surface Area Ratio
separability | separability
sf.kde | Spatial kernel density estimate
sf_dissolve | Dissolve polygons
sg.smooth | Savitzky-Golay smoothing filter
shannons | Shannon's Diversity (Entropy) Index
shift | shift
sieve | Sieve raster data
similarity | Ecological similarity
smooth.time.series | Smooth Raster Time-series
sobal | Sobel-Feldman operator
sp.kde | Spatial kernel density estimate
spatial.select | Spatial Select
spatialEcoNews | spatialEco news
spectral.separability | spectral separability
spherical.sd | Spherical Variance or Standard Deviation of Surface
squareBuffer | Square buffer
srr | Surface Relief Ratio
stratified.random | Stratified random sample
subsample.distance | Distance-based subsampling
summary.cross.cor | Summary of spatial cross correlation
summary.effect.size | Summarizing effect size
summary.loess.boot | Summarizing Loess bootstrap models
swvi | Senescence weighted Vegetation Index (swvi)

## -- T --

time_to_event | Time to event
TM5 | Landsat 5 TM Scene
topo.distance | Topographic distance
tpi | Topographic Position Index (tpi)
trasp | Solar-radiation Aspect Index
trend.line | trend.line
tri | Terrain Ruggedness Index

## -- V --

vrm | Vector Ruggedness Measure (VRM)

## -- W --

winsorize | Winsorize transformation
wt.centroid | Weighted centroid