Isobel, I agree with you that no estimation is needed if we have the population, and that's what I said in the beginning of my last discussion. I'm saying that when variance and sill in a population doesn't match, I'll have concern when I have to use sill in a sample to estimate the population variance.
Meng-ying On Wed, 8 Dec 2004, Isobel Clark wrote: > > And just a personal opinion, I would like to think > > geostatistic > > theories apply to population of any size, as small > > as 27, or as large as > > 1,000,000. If I'm making an example that > > geostatistics doesn't apply, then > > there's something to concern about in this approach. > Geostatistics applies to any size of sample set but > for the theory to work ou have to have a relatively > enormous population to draw rom. > > Put in plain terms, the assumption is that the > withdrawal of the samples does not materially affect > the behaviour of the population. > > If you have the whole population, you don't need to do > tests or estimates. > > Isobel > http:geoecosse.bizland.com/books.htm >
* By using the ai-geostats mailing list you agree to follow its rules ( see http://www.ai-geostats.org/help_ai-geostats.htm ) * To unsubscribe to ai-geostats, send the following in the subject or in the body (plain text format) of an email message to [EMAIL PROTECTED] Signoff ai-geostats
