search for: td836245

...will be used 2: In if (length.out > 2L) if (from == to) rep.int(from, length.out) else as.vector(c(from, : the condition has length > 1 and only the first element will be used Looking at Edzer's response to a post: http://r.789695.n4.nabble.com/using-spplot-sp-package-with-5-quantiles-td836245.html#a836246 it reinforces to me the idea that I should be able to specify where the cuts should occur. I'm not sure what to do with the warning message and my google searches have been unfruitful. Some supplemental information that might be helpful: range(data.frame(lzm.krige.dir["var...