matern.cormat {gcmr}

Matern Spatial Correlation

Description

Sets a Matern spatial correlation matrix in Gaussian copula marginal regression models.

Usage

matern.cormat(D, alpha = 0.5)

Arguments

D

matrix with values of the distances between pairs of data locations.

alpha

value of the shape parameter of the Matern correlation class. The default alpha = 0.5 corresponds to an exponential correlation model.

Details

The Mat\'ern correlation function is inherited from the geoR package (Diggle and Ribeiro, 2007).

Value

An object of class cormat.gcmr representing a Matern correlation matrix.

Author(s)

Guido Masarotto and Cristiano Varin.

References

Diggle, P. and Ribeiro, P.J. (2007). Model-based Geostatistics. Springer.

Masarotto, G. and Varin, C. (2012). Gaussian copula marginal regression. Electronic Journal of Statistics 6, 1517–1549.

Masarotto, G. and Varin C. (2017). Gaussian Copula Regression in R. Journal of Statistical Software, 77(8), 1–26.

See Also

gcmr.