Compute_jaclist quantities needed for the Satterthwaite approximation.
Computes vcov of variance parameters (theta, sigma), jacobian of each variance parameter etc.
compute_jaclist(object, tol = 1e-06)
object
: a gls
object.tol
: a tolerancea list.
This code is adapted from code in compute_auxillary
internal function of pbkrtest
package.
Useful links