GEOSTATS: indicator kriging using okb2d
- I just have one comment. The values obtained from this application are
the unconditional probability (not the conditional one).
A. I. Ali, Ph.D., P.E.
New Mexico State Engineer Office
P.O.Box 25102, Santa Fe, NM 87504
e-mails: aali@...; or aali@...
Phone: 505-827-6125 Fax: 505-827-6188
> The Indicator kriging estimator is of the same form as theand
> ordinary kriging estimator (but one uses the indicator
> data). The system of equations to obtain the coefficiente
> for the indicator kriging estimator are exactly the same
> as for ordinary kriging (but one uses the indicator variogram
> for the particular cutoff). Hence the comment about
> directly applying okb2d.
> Note however that the estimated/predicted values are not
> constrained to be between 0 and 1 and certainly not
> constrained to be only 0 or 1. The estimated values might
> better be interpreted as the values of a local conditional
> probability distribution function.
> Department of Mathematics
> University of Arizona
> Tucson, AZ
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