| virtualspecies-package | Generation of virtual species |
| betaFun | Beta response function |
| convertToPA | Convert a virtual species distribution (or a suitability raster) into presence-absence |
| custnorm | Normal function defined by extremes |
| formatFunctions | Format and visualise functions used to generate virtual species with 'generateSpFromFun' |
| generateRandomSp | Generate a random virtual species distribution from environmental variables |
| generateSpFromBCA | Generate a virtual species distribution from a Between Component Analysis of environmental variables |
| generateSpFromFun | Generate a virtual species distributions with responses to environmental variables |
| generateSpFromPCA | Generate a virtual species distribution with a PCA of environmental variables |
| limitDistribution | Limit a virtual species distribution to a defined area |
| linearFun | Linear function |
| logisticFun | Logistic function |
| plotResponse | Visualise the response of the virtual species to environmental variables |
| plotSuitabilityToProba | Visualise the function that was used to transform environmental suitability into probability of occurrence |
| quadraticFun | Quadratic function |
| removeCollinearity | Remove collinearity among variables of a a raster stack |
| sampleOccurrences | Sample occurrences in a virtual species distribution |
| synchroniseNA | Synchronise NA values among layers of a stack |