Re: [R-sig-Geo] FW: Interpolcation option: IDW or OK?

2009-02-09 Thread Robert Hijmans
7-9671.2006.01015.x > > >> -Original Message- >> From: r-sig-geo-boun...@stat.math.ethz.ch >> [mailto:r-sig-geo-boun...@stat.math.ethz.ch] On Behalf >> Of Edzer Pebesma >> Sent: Monday, February 09, 2009 9:08 AM >> To: Yong Li >> Cc: r-sig-ge

Re: [R-sig-Geo] FW: Interpolcation option: IDW or OK?

2009-02-09 Thread Tomislav Hengl
-geo-boun...@stat.math.ethz.ch] On Behalf > Of Edzer Pebesma > Sent: Monday, February 09, 2009 9:08 AM > To: Yong Li > Cc: r-sig-geo@stat.math.ethz.ch > Subject: Re: [R-sig-Geo] FW: Interpolcation option: IDW or OK? > > Yong Li wrote: > > Hi Edzer, > > > > I would say t

Re: [R-sig-Geo] FW: Interpolcation option: IDW or OK?

2009-02-09 Thread Edzer Pebesma
Yong Li wrote: Hi Edzer, I would say the spatial structure is regarded not significant when c0/c0+c1 is very much greater than 75%. In my case I used even distance intervals and calculated c0/c0+c1 for log(OLSENP) greater than 85%. I knew this index sometimes is very fragile, very much depend

[R-sig-Geo] FW: Interpolcation option: IDW or OK?

2009-02-08 Thread Yong Li
Hi Edzer, I would say the spatial structure is regarded not significant when c0/c0+c1 is very much greater than 75%. In my case I used even distance intervals and calculated c0/c0+c1 for log(OLSENP) greater than 85%. I knew this index sometimes is very fragile, very much depending on how we fit