compute_inv_hessian: Get Inverse Hessian

In pbastide/phylolimma: Phylogenetic Comparative Methods for limma

Get Inverse Hessian

Description

Compute the inverse Hessian

Usage

compute_inv_hessian(optpars, fun, grad_trans, tol = 1e-08, ...)

Arguments

optpars	parameter vector around which to compute the Hessian
fun	function for which the Hessian neeeds to be computed
grad_trans	gradient vector for transformed parameters
tol	tolerence for calling zero eigenvalues

Details

Code adapted from lmerTest, see https://github.com/runehaubo/lmerTestR/blob/35dc5885205d709cdc395b369b08ca2b7273cb78/R/lmer.R#L173

Value

The inverse hessian

pbastide/phylolimma documentation built on Nov. 17, 2024, 1:34 p.m.