Published January 1, 2013
| Version v1
Journal article
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Geostatistical estimation of coal quality variables by using covariance matching constrained kriging
Creators
- 1. Hacettepe Univ, Dept Min Engn, TR-06800 Ankara, Turkey
Description
Covariance matching constrained kriging is a technique originally developed for estimating linear or nonlinear functional of the variable of interest. Practically this may be regarded as a hybrid system that considers local accuracy property in kriging and preservation of spatial variability in stochastic simulation. The method estimates the unknown vector by adding the constraint to match the variance-covariance matrix of estimated values with the variance-covariance matrix of actual values under unbiasedness constraint.
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