RE: AI-GEOSTATS: Re: Kriging using Nugget Model

2007-01-03 Thread Zhang, Chaosheng
TED] [mailto:[EMAIL PROTECTED] On Behalf Of Edzer J. Pebesma Sent: 02 January 2007 16:28 To: Isobel Clark Cc: Mehari Tekeste; ai-geostats@jrc.it Subject: Re: AI-GEOSTATS: Re: Kriging using Nugget Model For block kriging yes, for point kriging the prediction (standard) error will be close to sigm

Re: AI-GEOSTATS: Re: Kriging using Nugget Model

2007-01-03 Thread Edzer J. Pebesma
il: [EMAIL PROTECTED] Web: http://www.nuigalway.ie/geography/gis -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Edzer J. Pebesma Sent: 02 January 2007 16:28 To: Isobel Clark Cc: Mehari Tekeste; ai-geostats@jrc.it Subject: Re: AI-GEOSTATS: Re: Kriging using Nugg

Re: AI-GEOSTATS: Re: Kriging using Nugget Model

2007-01-02 Thread Edzer J. Pebesma
For block kriging yes, for point kriging the prediction (standard) error will be close to sigma. And happy new year to everyone on ai-geostats! -- Edzer Isobel Clark wrote: Mehari If you use a semi-variogram which is just nugget, the kriging estimate will be the arithmetic mean of the sampl