Sets a Matern spatial correlation matrix in Gaussian copula marginal regression models.
matern.cormat(D, alpha = 0.5)An object of class cormat.gcmr representing a Matern correlation matrix.
matrix with values of the distances between pairs of data locations.
value of the shape parameter of the Matern correlation class. The default alpha = 0.5 corresponds to an exponential correlation model.
Guido Masarotto and Cristiano Varin.
The Mat\'ern correlation function is inherited from the geoR package (Diggle and Ribeiro, 2007).
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.
gcmr.