| pointValues | R Documentation | 
Extract values from a Raster* object for point locations. This function adds a few options that can be useful in the context of species distribution modeling to extract function in the raster package.  
pointValues(x, p, a, uniquecells = TRUE, na.rm = TRUE)
x | 
 A Raster* object  | 
p | 
 Points. Two-colum matrix or data.frame; or a SpatialPoints* object  | 
a | 
 Additional points (absences). Two-colum matrix or data.frame; or a SpatialPoints* object  | 
uniquecells | 
 Logical. If   | 
na.rm | 
 Logical. If   | 
matrix
Robert J. Hijmans
extract
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