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sperich (version 1.3-1)

Auxiliary functions to estimate centers of biodiversity

Description

Provides some easy-to-use functions to interpolate species range based on species occurences and to estimate centers of biodiversity

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Version

Install

install.packages('sperich')

Monthly Downloads

138

Version

1.3-1

License

GPL (>= 2)

Maintainer

Maximilian Lange

Last Published

August 1st, 2011

Functions in sperich (1.3-1)

createNonInterpolatedGrid

Create a Species Occurences Grid with no interpolation
generate.subsamples

Subsample Creation
dataset.all.species

Angiosperm Dataset
createHeightmask

Height-Mask Creation
searchClusters

Search clusters in the result grid of species richness estimation.
adjustment

Adjustment of interpolated species richness
species.richness

Species richness estimation
exportAsGDAL

Export result grid as GDAL grid map
species.richness.main

Main Function for species richness estimation
getDimension

getDimension
species.richness.cv

Species richness cross-validation
fill.Areas

Fill Algorithm
dataset.landwater

Land-Water-Information Dataset
getShift

Origin Koordinates
dataset.height

Height-Information Dataset
createLandwatermask

Land-Water-Mask Creation
getDistance

Distance between two points in a grid
add.Edges

Edge Creation
species.range

Species range estimation
createImage

Image Creation
add.Data.to.Grid

Add Data to Grid
extract.species

Species Extraktion
edgeNotValid

Edge-Water-Test
evaluate

Result grid evaluation