RMpower yields a variogram or covariance model
from a given variogram or covariance model.
The variogram gamma of the model is given by
if phi is a variogram model. The covariance C of the model is given by
C(h) = phi(0)-(phi(0)-phi(h))^alpha
if phi is a covariance model.
a numerical value in the interval [0,1]
optional arguments; same meaning for any
If γ is a variogram, then γ^α is a valid variogram for α in the interval [0,1].
RMpower returns an object of class
Martin Schlather, [email protected]
Schlather, M. (2012) Construction of covariance functions and unconditional simulation of random fields. In Porcu, E., Montero, J. M., Schlather, M. Advances and Challenges in Space-time Modelling of Natural Events, Springer, New York.
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