Simple helper function to prepare data for model fitting
Usage
prepareData(x, p, b, factors)
Arguments
x
Raster* object
p
presence points
b
background (or absence) points
factors
vectors indicating which variables are factors (names or numbers)
Value
data.frame with nlayers(x)+1 columns and nrow(p) + nrow(b) rows. The first column, 'pb' indicates whether a record represents presence '1' or background '0' values. The other columns have the values from the Raster* object.