layerCor,GRaster-method {fasterRaster} | R Documentation |
Correlation between GRasters
Description
This function returns a correlation or covariance matrix between two or more GRaster
layers. This function returns the sample correlation and covariance (i.e., the denominator is n - 1).
Usage
## S4 method for signature 'GRaster'
layerCor(x, fun = "cor")
Arguments
x |
A |
fun |
Character: Name of the statistic to calculate; either |
Value
A numeric matrix
.
See Also
terra::layerCor()
, stats::cor()
, stats::cov()
Examples
if (grassStarted()) {
# Setup
library(terra)
# Example data
madChelsa <- fastData("madChelsa")
# Convert a SpatRaster to a GRaster:
chelsa <- fast(madChelsa)
# Correlation
layerCor(chelsa, "cor")
# Covariance
layerCor(chelsa, "cov")
}
[Package fasterRaster version 8.4.0.3 Index]