Re: [R] Spatial regression

2012-08-03 Thread DanielFV
Thank you for your reply. I have used the normalized residuals for my variograms, and although the values of the semivariogram are lower, the shape and steepness of the curve is exactly the same. Any potential test that could help me justifying any improvement on the model other than merely repor

[R] Spatial regression

2012-07-31 Thread DanielFV
Dear list members, I have a large dataset with point data. Each data point has X, Y, number of species present and values for one single explanatory variable. Each point was generated from a polygon grid shapefile and they are at equal distances. I conducted GLS analyses introducing variance str