Integer values
These functions take a single RasterLayer argument x and change its values to integers.
ceiling returns a RasterLayer with the smallest integers not less than the corresponding values of x.
floor returns a RasterLayer with the largest integers not greater than the corresponding values of x.
trunc returns a RasterLayer with the integers formed by truncating the values in x toward 0.
round returns a RasterLayer with values rounded to the specified number of digits (decimal places; default 0).
see ?base::round
a RasterLayer object
ceiling(x) floor(x) trunc(x, ...) round(x, digits = 0)
a RasterLayer object
integer indicating the precision to be used
additional arguments
r <- raster(ncol=10, nrow=10) values(r) <- runif(ncell(r)) * 10 s <- round(r)
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