Test case 1: Fits an ordinary kriging model on the branin function Covers: ordinary kriging interpolation, marginalLikelihood
Test case 2: Fits an ordinary kriging model on the bird function Covers: ordinary kriging regression, re-interpolation of variance, pseudoLikelihood, likelihood debug plot
Test case 3: Fits a blind kriging model on the branin function. Covers: blind kriging
Test case 4: Fits a cokriging model on a mathematical 1D function. Covers: cokriging
Test case 5: Fits a stochastic kriging model on the branin function plus some stochastic noise. Covers: stochastic kriging, sigma2 optimization