ecospat: ecospat.max.kappa – R documentation

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ecospat.max.kappa

Maximum Kappa

Description

Calculates values for Cohen's Kappa along different thresholds, considering this time 0.01 increments (i.e. 99 thresholds).

Usage

ecospat.max.kappa(Pred, Sp.occ)

Arguments

`Pred`	A vector of predicted probabilities
`Sp.occ`	A vector of binary observations of the species occurrence

Value

Return values for Cohen's Kappa for 99 thresholds at 0.01 increments.

Author(s)

Antoine Guisan antoine.guisan@unil.ch with contributions of Luigi Maiorano luigi.maiorano@gmail.com and Valeria Di Cola valeria.dicola@unil.ch.

References

Liu, C., P.M. Berry, T.P. Dawson, and R.G. Pearson. 2005. Selecting thresholds of occurrence in the prediction of species distributions. Ecography, 28, 385-393.

Examples

Pred <- ecospat.testData$glm_Agrostis_capillaris
Sp.occ <- ecospat.testData$Agrostis_capillaris
kappa100 <- ecospat.max.kappa(Pred, Sp.occ)

ecospat

Spatial Ecology Miscellaneous Methods

v3.2

GPL

Authors

Olivier Broennimann [cre, aut, ctb], Valeria Di Cola [aut, ctb], Blaise Petitpierre [ctb], Frank Breiner [ctb], Daniel Scherrer [ctb], Manuela D`Amen [ctb], Christophe Randin [ctb], Robin Engler [ctb], Wim Hordijk [ctb], Heidi Mod [ctb], Julien Pottier [ctb], Mirko Di Febbraro [ctb], Loic Pellissier [ctb], Dorothea Pio [ctb], Ruben Garcia Mateo [ctb], Anne Dubuis [ctb], Luigi Maiorano [ctb], Achilleas Psomas [ctb], Charlotte Ndiribe [ctb], Nicolas Salamin [ctb], Niklaus Zimmermann [ctb], Antoine Guisan [aut]

Initial release

2021-02-17