man/examples/ex_bioclims.r

In fasterRaster: Faster Raster and Spatial Vector Processing Using 'GRASS GIS'

if (grassStarted()) {

# Setup
library(terra)

# Load rasters with precipitation and min/max temperature
madPpt <- fastData("madPpt")
madTmin <- fastData("madTmin")
madTmax <- fastData("madTmax")

### Classic and extended BIOCLIMs from SpatRasters
bcSR <- bioclims(madPpt, madTmin, madTmax, bios = "*")
bcSR

### BIOCLIMs from GRasters
ppt <- fast(madPpt)
tmin <- fast(madTmin)
tmax <- fast(madTmax)

# For small rasters, takes longer to run compared to SpatRaster version:
bc <- bioclims(ppt, tmin, tmax, bios = c(1, 5, 12))
bc
plot(bc)

}