Title: RE: [ai-geostats] How to calculate an unbiased estimate of variance from a set of weighted samples
My poor little geologist brain hurts...
Perry Collier
Qld, Australia
-Original Message-
From: Gerald van den Boogaart [mailto:[EMAIL PROTECTED]]
Sent
Just a comment on Edward Isaaks summary:
> is the "best" one. By "best, I mean the estimator which minimizes bias, or
> better yet, is unbiased.
The standard meaning of "best" in statistics and geostatistics is not
"minimizing bias", but "minizing expected squared error (=Variance+squared
bia
Hello List
Thanks to all who responded to my recent request
for comments regarding an unbiased estimator of variance given N sample
values with associated weights. And a special thanks to Colin
Daly who took the time to write out a very nice mathematical
demonstration of an unbiased estima
