I have a data set (from GRASSGIS) I have imported it to R and I can get the coordinates by: xy<-coordinates(data) but I would like to have the x coordinates and y coordinates in separate dataframes x and y, does anyone know how to do this? Thankyou Gary ----------------------- Gary R. Nobles PhD Candidate Institute of Archaeology Poststraat 6 Groningen University The Netherlands Personal Webpage: Project Website: www.singlegrave.nl G.R.Nobles at rug.nl