I try to avoid using SAS for spatial analyis because it's clunky compared to other programs. However, you can download a free copy of IDRISI which has a decent point and punch interface. Additionally, you can download trial versions of GS+.

"Chris Davison" <cdavison@unf.edu> wrote in message news:3aebb3a3.0@csd-32630.noc.unf.edu... > Hello all, > I am wondering if anyone can tell me how to produce spatial correlograms in > SAS. I am trying to determine how correlated different elements in a 100x100 > matrix are and am not having much luck with the "semivariogram" options; SAS > will calculate the variograms for me but they seem to be meaningless, the > y-axis is not explained and what they indicate is not at all consistent with > what I would expect based on visual inspection of the matrix data. Any > comments or suggestions emailed to me at cdavison@unf.edu will be greatly > appreciated. Thank you. > > --Chris Davison > > >