Re: [R-sig-Geo] spatial correlation model and variogram

2013-07-24 Thread ONKELINX, Thierry
...@ualberta.ca] Verzonden: vrijdag 19 juli 2013 16:20 Aan: ONKELINX, Thierry CC: r-sig-geo@r-project.org Onderwerp: Re: [R-sig-Geo] spatial correlation model and variogram Dear Thierry, Thanks for this useful message. For me to get the initial value of range and nugget, I think I need to get

Re: [R-sig-Geo] spatial correlation model and variogram

2013-07-19 Thread Moshood Agba Bakare
-geo-boun...@r-project.org [mailto: r-sig-geo-boun...@r-project.org] Namens Moshood Agba Bakare Verzonden: vrijdag 19 juli 2013 1:22 Aan: r-sig-geo@r-project.org Onderwerp: [R-sig-Geo] spatial correlation model and variogram Dear All, Consider yield as attribute and easting and northing

[R-sig-Geo] spatial correlation model and variogram

2013-07-18 Thread Moshood Agba Bakare
Dear All, Consider yield as attribute and easting and northing in meters as spatial coordinates. I used gls function of nlme package because of spatial dependency of the residual. I tried to remove large-scale trend by using the easting and northing as covariates of yield.