krige.cv, again :)
hi, me again :)
I've read that in the help of krige.cv :
Note:
Leave-one-out cross validation seems to be much faster in plain
(stand-alone) gstat, apparently quite a bit of the effort is spent
moving data around from R to gstat.
Since I have 6 ensemble of 2300 stations, I was wondering : How could I
launch gstat in stand-alone? Do I need unix or it's possible to run it on
Windows?
Either of the two; windows binary is at http://www.gstat.org/
At this moment, I'm running R 2.3.1 on a windows machine with 512MB of RAM and a P4 2.6 GHz, and it's impossible to do a leave-one-out approach that takes less than 2 days to run.
Do you use kriging in a local neighbourhood? If not, moving out of R may not help much, as 2300 times solving a new system of size 2299 will be the bottle neck. -- Edzer