binning(x, y, nbins, xrange = NULL)d %in% 1:3.xrange is increased if the cube defined does not contain all design points.d>1 Bin centers in dimension 2d>2 Bin centers in dimension 3d>1 Break points dimension 2d>2 Break points dimension 3!is.null(y) mean of y in non-empty bins!is.null(y) standard deviations of y in non-empty binsaws.irreg