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sperich (version 1.5-8)

Auxiliary Functions to Estimate Centers of Biodiversity

Description

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

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Version

Install

install.packages('sperich')

Monthly Downloads

157

Version

1.5-8

License

GPL (>= 2)

Maintainer

Maximilian Lange

Last Published

January 29th, 2020

Functions in sperich (1.5-8)

extract.species

Species Extraktion
species.richness.nonweighted

Species richness estimation without weighting
fill.Areas

Fill Algorithm
evaluate

Result grid evaluation
species.richness

Species richness estimation
species.richness.main

Main Function for species richness estimation
exportAsGDAL

Export result grid as GDAL grid map
getShift

Origin Koordinates
getDistance

Distance between two points in a grid
createHeightmask

Height-Mask Creation
getNarrowEndemics

Narrow endemic species extraction
searchClusters

Search clusters in the result grid of species richness estimation.
dataset.landwater

Land-Water-Information Dataset
generate.subsamples

Subsample Creation
edgeNotValid

Edge-Water-Test
getDimension

getDimension
species.range

Species range estimation
species.richness.cv

Species richness cross-validation
cclFun

Connected Component Labeling
createNonInterpolatedGrid

Create a species occurrences grid with no interpolation
dataset.height

Height-Information Dataset
data.into.Grid

Species occurrences to grid
createImage

Image Creation
dataset.all.species

Angiosperm Dataset
add.Edges

Edge Creation
createLandwatermask

Land-Water-Mask Creation
adjustment

Adjustment of interpolated species richness