GEOSTATS: Re: Costello's question
- View SourceOn Mon, 30 Jun 1997 Syed.R.Syed@... wrote:
> Simply exponentiating a kriged value obtained in log space without... if you're after the expected value, yes.
> theoretical correction introduces a bias.
> That expectation in logThis involves distributional assumptions (e.g. normality) in the log space
> space (your kriging) becomes the median in normal space.
(the mean and median should coincide there for this to hold). Without
these assumptions, the back-transform maps to the geometric mean on
the original scale (for instance, suppose there was a 0 on the original
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