Extract the inverse metric and step size adaption from
CmdStanMCMC
objects.
extract_hmc_info(object)
An object of class CmdStanMCMC
A list including
inv_metric
: Inverse metric for each chain
(with matrix = FALSE
).
step_size_adapt
: Step size adaptation for each chain.
This is primarily used internally.
if (FALSE) {
library(cmdstanr)
fit_schools_ncp_mcmc <- cmdstanr_example("schools_ncp")
extract_hmc_info(fit_schools_ncp_mcmc)
}