Re: [R-sig-Geo] Coverting CRS in R to OSGB 1936

2022-11-29 Thread Alaba Boluwade
Try: library(raster) new_raster<-spTransform(old_raster,CRS("+proj=longlat +ellps=airy +no_defs")) Good luck Alaba From: R-sig-Geo on behalf of Nick Wray Sent: November 29, 2022 10:25 AM To: r-sig-geo@r-project.org Subject: [R-sig-Geo] Coverting CRS in R to

Re: [R-sig-Geo] gstat cross validation for accuracy ordinary kriging vs IDW

2014-05-22 Thread Alaba Boluwade
Hi Moshood, You did not follow what Michele sent to you: ordkrigcv<- krige.cv(yield ~ 1, canmod.sp, model=exp.mod, nmax=20) try: ?krige.cv from the gstat library to see what you need to supply for the function. I would also advise you try reading Bivand et al (2008). Some of these dif

[R-sig-Geo] Stratified Spatial Clustering

2012-08-23 Thread Alaba Boluwade
Hi Listers, I will appreciate if anyone knows any package in R or software that I can apply for the following task: I have a soil raster map made up of unique 5 soil series in form of "polygons". I did a stratified random sampling (proportionate to the soil polygon sizes) with a total of 2