The variogram model is $$\gamma(h) = \frac{[1+\{(\|h\|/\lambda\}^\alpha]^{\beta/\alpha}-1}{2^{\beta/\alpha}-1}, \quad 0 < \alpha \leq 2, \beta \leq 2.$$ The model is defined at \(\beta=0\) by continuity.
schlather.vario(h, alpha, beta, scale = 1)
a vector or matrix of variogram values of the same length as h
vector or matrix of pairwise distances
smoothness parameter
shape parameter, must be less than 2
scale parameter