Set options for the conjugate gradient (CG) sampler
CG_control(
max.it = NULL,
stop.criterion = NULL,
preconditioner = c("GMRF", "GMRF2", "GMRF3", "identity"),
scale = 1,
verbose = FALSE
)
A list of options used by the conjugate gradients algorithm.
maximum number of CG iterations.
total squared error stop criterion for the CG algorithm.
one of "GMRF", "GMRF2", "GMRF3" and "identity".
scale parameter; only used by the "GMRF3" preconditioner.
whether diagnostic information about the CG sampler is shown.