Randomization of presence/absence species distribution raster data for calculating standardized effect sizes and testing null hypothesis. The randomization algorithms are based on classical algorithms for matrices (Gotelli 2000, doi:10.2307/177478) implemented for raster data.
Installation
To install the package, run:
install.packages("SESraster")
The development version can be installed from the Github
repository:
require(devtools)
install_github("HemingNM/SESraster", build_vignettes = TRUE)
SESraster basics
Basic information about the package can be found below, at the package’s webpage, or in the vignettes browseVignettes("SESraster")
-
Null model algorithms
vignette("null-models")
: For an overview of the null model algorithms for species co-occurrence analysis summarized in (Gotelli 2000, doi:10.2307/177478). -
Spatial null model algorithms in SESraster
vignette("spatial-null-models")
: Get started withSESraster
. See installation instructions and how the implemented null model algorithms work with spatial data. -
Standardized effect sizes
vignette("SES")
: For computing standardized effect sizes (SES) using the implemented null model algorithms.
Citation
- If you use this R package, please cite in your publications:
Heming N. M., Mota F. M. M., Alves-Ferreira G. (2023). SESraster: Raster Randomization for Null Hypothesis Testing. R package version 0.7.0, https://CRAN.R-project.org/package=SESraster
- For more information:
citation("SESraster")