Description Usage Arguments Value
Calculates the covariance matrices (or associated grads) for the kernel instances appearing in a model tree
1 2 | get.inst.cov.mats(x, model.tree, return.type = c("cov", "grad", "hess"),
cache = NULL)
|
x |
A numeric matrix |
model.tree |
A modelTree object |
return.type |
Whether to return the covariance matrices, the associated grads, or the hessians |
A named list containing covariance matrices (or grad arrays), with one entry for each kernel instance.
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