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Message-ID: <AANLkTi=6qdP8nk73speukheviu66++8OP9G=76BzS70K@mail.gmail.com> Date: 2010-11-16T16:40:25Z From: Mark Connolly Subject: boundaries for variogram I noticed that autofitVariogram sets boundaries for the call to gstat::variogram along the lines of (0.35 * diag(bbox(sp)) /100) * c(2, 4, 6, 9, 12, 15, 25, 35, 50, 65, 80, 100). Any idea of the basis of this method? Mark