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sperich (version 1.3-7)

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

1.3-7

License

GPL (>= 2)

Maintainer

Maximilian Lange

Last Published

March 2nd, 2012

Functions in sperich (1.3-7)

createNonInterpolatedGrid

Create a Species Occurences Grid with no interpolation
adjustment

Adjustment of interpolated species richness
species.range

Species range estimation
extract.species

Species Extraktion
getShift

Origin Koordinates
getDimension

getDimension
dataset.landwater

Land-Water-Information Dataset
generate.subsamples

Subsample Creation
getDistance

Distance between two points in a grid
dataset.height

Height-Information Dataset
createLandwatermask

Land-Water-Mask Creation
species.richness.nonweighted

Species richness estimation without weighting
add.Edges

Edge Creation
exportAsGDAL

Export result grid as GDAL grid map
evaluate

Result grid evaluation
createHeightmask

Height-Mask Creation
createImage

Image Creation
searchClusters

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

Species richness cross-validation
edgeNotValid

Edge-Water-Test
fill.Areas

Fill Algorithm
species.richness.main

Main Function for species richness estimation
species.richness

Species richness estimation
dataset.all.species

Angiosperm Dataset
add.Data.to.Grid

Add Data to Grid